638403948

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:182

約数の個数: 288

約数和(自身を含む): 2097513600

約数和(自身を除く): 1459109652

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 41, 42, 49, 52, 63, 78, 82, 84, 91, 97, 98, 117, 123, 126, 147, 156, 164, 182, 194, 196, 234, 246, 252, 273, 287, 291, 294, 343, 364, 369, 388, 441, 468, 492, 533, 546, 574, 582, 588, 637, 679, 686, 738, 819, 861, 873, 882, 1029, 1066, 1092, 1148, 1164, 1261, 1274, 1358, 1372, 1476, 1599, 1638, 1722, 1746, 1764, 1911, 2009, 2037, 2058, 2132, 2522, 2548, 2583, 2716, 3087, 3198, 3276, 3444, 3492, 3731, 3783, 3822, 3977, 4018, 4074, 4116, 4459, 4753, 4797, 5044, 5166, 5733, 6027, 6111, 6174, 6396, 7462, 7566, 7644, 7954, 8036, 8148, 8827, 8918, 9506, 9594, 10332, 11193, 11349, 11466, 11931, 12054, 12222, 12348, 13377, 14063, 14259, 14924, 15132, 15908, 17654, 17836, 18081, 19012, 19188, 22386, 22698, 22932, 23862, 24108, 24444, 26117, 26481, 26754, 27839, 28126, 28518, 33271, 33579, 35308, 35793, 36162, 40131, 42189, 42777, 44772, 45396, 47724, 51701, 52234, 52962, 53508, 55678, 56252, 57036, 61789, 66542, 67158, 71586, 72324, 78351, 79443, 80262, 83517, 84378, 85554, 99813, 103402, 104468, 105924, 111356, 123578, 126567, 133084, 134316, 143172, 155103, 156702, 158886, 160524, 167034, 168756, 171108, 182819, 185367, 194873, 199626, 206804, 235053, 247156, 250551, 253134, 299439, 310206, 313404, 317772, 334068, 361907, 365638, 370734, 389746, 399252, 432523, 465309, 470106, 501102, 506268, 548457, 556101, 584619, 598878, 620412, 723814, 731276, 741468, 779492, 865046, 930618, 940212, 1002204, 1085721, 1096914, 1112202, 1169238, 1197756, 1297569, 1364111, 1447628, 1645371, 1730092, 1753857, 1861236, 2171442, 2193828, 2224404, 2338476, 2533349, 2595138, 2728222, 3257163, 3290742, 3507714, 3892707, 4092333, 4342884, 5066698, 5190276, 5456444, 6514326, 6581484, 7015428, 7600047, 7785414, 8184666, 10133396, 12276999, 13028652, 15200094, 15570828, 16369332, 17733443, 22800141, 24553998, 30400188, 35466886, 45600282, 49107996, 53200329, 70933772, 91200564, 106400658, 159600987, 212801316, 319201974, 638403948]

約数ペア:

[(1, 638403948), (2, 319201974), (3, 212801316), (4, 159600987), (6, 106400658), (7, 91200564), (9, 70933772), (12, 53200329), (13, 49107996), (14, 45600282), (18, 35466886), (21, 30400188), (26, 24553998), (28, 22800141), (36, 17733443), (39, 16369332), (41, 15570828), (42, 15200094), (49, 13028652), (52, 12276999), (63, 10133396), (78, 8184666), (82, 7785414), (84, 7600047), (91, 7015428), (97, 6581484), (98, 6514326), (117, 5456444), (123, 5190276), (126, 5066698), (147, 4342884), (156, 4092333), (164, 3892707), (182, 3507714), (194, 3290742), (196, 3257163), (234, 2728222), (246, 2595138), (252, 2533349), (273, 2338476), (287, 2224404), (291, 2193828), (294, 2171442), (343, 1861236), (364, 1753857), (369, 1730092), (388, 1645371), (441, 1447628), (468, 1364111), (492, 1297569), (533, 1197756), (546, 1169238), (574, 1112202), (582, 1096914), (588, 1085721), (637, 1002204), (679, 940212), (686, 930618), (738, 865046), (819, 779492), (861, 741468), (873, 731276), (882, 723814), (1029, 620412), (1066, 598878), (1092, 584619), (1148, 556101), (1164, 548457), (1261, 506268), (1274, 501102), (1358, 470106), (1372, 465309), (1476, 432523), (1599, 399252), (1638, 389746), (1722, 370734), (1746, 365638), (1764, 361907), (1911, 334068), (2009, 317772), (2037, 313404), (2058, 310206), (2132, 299439), (2522, 253134), (2548, 250551), (2583, 247156), (2716, 235053), (3087, 206804), (3198, 199626), (3276, 194873), (3444, 185367), (3492, 182819), (3731, 171108), (3783, 168756), (3822, 167034), (3977, 160524), (4018, 158886), (4074, 156702), (4116, 155103), (4459, 143172), (4753, 134316), (4797, 133084), (5044, 126567), (5166, 123578), (5733, 111356), (6027, 105924), (6111, 104468), (6174, 103402), (6396, 99813), (7462, 85554), (7566, 84378), (7644, 83517), (7954, 80262), (8036, 79443), (8148, 78351), (8827, 72324), (8918, 71586), (9506, 67158), (9594, 66542), (10332, 61789), (11193, 57036), (11349, 56252), (11466, 55678), (11931, 53508), (12054, 52962), (12222, 52234), (12348, 51701), (13377, 47724), (14063, 45396), (14259, 44772), (14924, 42777), (15132, 42189), (15908, 40131), (17654, 36162), (17836, 35793), (18081, 35308), (19012, 33579), (19188, 33271), (22386, 28518), (22698, 28126), (22932, 27839), (23862, 26754), (24108, 26481), (24444, 26117)]