638778504

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 256

約数和(自身を含む): 2064384000

約数和(自身を除く): 1425605496

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 47, 49, 52, 56, 78, 84, 91, 94, 98, 104, 127, 141, 147, 156, 168, 182, 188, 196, 254, 273, 282, 294, 312, 329, 343, 364, 376, 381, 392, 508, 546, 564, 588, 611, 637, 658, 686, 728, 762, 889, 987, 1016, 1029, 1092, 1128, 1176, 1222, 1274, 1316, 1372, 1524, 1651, 1778, 1833, 1911, 1974, 2058, 2184, 2303, 2444, 2548, 2632, 2667, 2744, 3048, 3302, 3556, 3666, 3822, 3948, 4116, 4277, 4459, 4606, 4888, 4953, 5096, 5334, 5969, 6223, 6604, 6909, 7112, 7332, 7644, 7896, 8232, 8554, 8918, 9212, 9906, 10668, 11557, 11938, 12446, 12831, 13208, 13377, 13818, 14664, 15288, 16121, 17108, 17836, 17907, 18424, 18669, 19812, 21336, 23114, 23876, 24892, 25662, 26754, 27636, 29939, 32242, 34216, 34671, 35672, 35814, 37338, 39624, 41783, 43561, 46228, 47752, 48363, 49784, 51324, 53508, 55272, 59878, 64484, 69342, 71628, 74676, 77597, 80899, 83566, 87122, 89817, 92456, 96726, 102648, 107016, 119756, 125349, 128968, 130683, 138684, 143256, 149352, 155194, 161798, 167132, 174244, 179634, 193452, 209573, 232791, 239512, 242697, 250698, 261366, 277368, 292481, 310388, 323596, 334264, 348488, 359268, 386904, 419146, 465582, 485394, 501396, 522732, 543179, 566293, 584962, 620776, 628719, 647192, 718536, 838292, 877443, 931164, 970788, 1002792, 1045464, 1086358, 1132586, 1169924, 1257438, 1629537, 1676584, 1698879, 1754886, 1862328, 1941576, 2047367, 2172716, 2265172, 2339848, 2514876, 3259074, 3397758, 3509772, 3802253, 4094734, 4345432, 4530344, 5029752, 6142101, 6518148, 6795516, 7019544, 7604506, 8189468, 11406759, 12284202, 13036296, 13591032, 15209012, 16378936, 22813518, 24568404, 26615771, 30418024, 45627036, 49136808, 53231542, 79847313, 91254072, 106463084, 159694626, 212926168, 319389252, 638778504]

約数ペア:

[(1, 638778504), (2, 319389252), (3, 212926168), (4, 159694626), (6, 106463084), (7, 91254072), (8, 79847313), (12, 53231542), (13, 49136808), (14, 45627036), (21, 30418024), (24, 26615771), (26, 24568404), (28, 22813518), (39, 16378936), (42, 15209012), (47, 13591032), (49, 13036296), (52, 12284202), (56, 11406759), (78, 8189468), (84, 7604506), (91, 7019544), (94, 6795516), (98, 6518148), (104, 6142101), (127, 5029752), (141, 4530344), (147, 4345432), (156, 4094734), (168, 3802253), (182, 3509772), (188, 3397758), (196, 3259074), (254, 2514876), (273, 2339848), (282, 2265172), (294, 2172716), (312, 2047367), (329, 1941576), (343, 1862328), (364, 1754886), (376, 1698879), (381, 1676584), (392, 1629537), (508, 1257438), (546, 1169924), (564, 1132586), (588, 1086358), (611, 1045464), (637, 1002792), (658, 970788), (686, 931164), (728, 877443), (762, 838292), (889, 718536), (987, 647192), (1016, 628719), (1029, 620776), (1092, 584962), (1128, 566293), (1176, 543179), (1222, 522732), (1274, 501396), (1316, 485394), (1372, 465582), (1524, 419146), (1651, 386904), (1778, 359268), (1833, 348488), (1911, 334264), (1974, 323596), (2058, 310388), (2184, 292481), (2303, 277368), (2444, 261366), (2548, 250698), (2632, 242697), (2667, 239512), (2744, 232791), (3048, 209573), (3302, 193452), (3556, 179634), (3666, 174244), (3822, 167132), (3948, 161798), (4116, 155194), (4277, 149352), (4459, 143256), (4606, 138684), (4888, 130683), (4953, 128968), (5096, 125349), (5334, 119756), (5969, 107016), (6223, 102648), (6604, 96726), (6909, 92456), (7112, 89817), (7332, 87122), (7644, 83566), (7896, 80899), (8232, 77597), (8554, 74676), (8918, 71628), (9212, 69342), (9906, 64484), (10668, 59878), (11557, 55272), (11938, 53508), (12446, 51324), (12831, 49784), (13208, 48363), (13377, 47752), (13818, 46228), (14664, 43561), (15288, 41783), (16121, 39624), (17108, 37338), (17836, 35814), (17907, 35672), (18424, 34671), (18669, 34216), (19812, 32242), (21336, 29939), (23114, 27636), (23876, 26754), (24892, 25662)]