638449812

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2531}}^1$

素因数の和:2579

約数の個数: 216

約数和(自身を含む): 2206425312

約数和(自身を除く): 1567975500

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 28, 33, 36, 39, 42, 44, 49, 52, 63, 66, 77, 78, 84, 91, 98, 99, 117, 126, 132, 143, 147, 154, 156, 182, 196, 198, 231, 234, 252, 273, 286, 294, 308, 364, 396, 429, 441, 462, 468, 539, 546, 572, 588, 637, 693, 819, 858, 882, 924, 1001, 1078, 1092, 1274, 1287, 1386, 1617, 1638, 1716, 1764, 1911, 2002, 2156, 2531, 2548, 2574, 2772, 3003, 3234, 3276, 3822, 4004, 4851, 5062, 5148, 5733, 6006, 6468, 7007, 7593, 7644, 9009, 9702, 10124, 11466, 12012, 14014, 15186, 17717, 18018, 19404, 21021, 22779, 22932, 27841, 28028, 30372, 32903, 35434, 36036, 42042, 45558, 53151, 55682, 63063, 65806, 70868, 83523, 84084, 91116, 98709, 106302, 111364, 124019, 126126, 131612, 159453, 167046, 194887, 197418, 212604, 230321, 248038, 250569, 252252, 296127, 318906, 334092, 361933, 372057, 389774, 394836, 460642, 496076, 501138, 584661, 592254, 637812, 690963, 723866, 744114, 779548, 921284, 1002276, 1085799, 1116171, 1169322, 1184508, 1364209, 1381926, 1447732, 1488228, 1612247, 1753983, 2072889, 2171598, 2232342, 2338644, 2533531, 2728418, 2763852, 3224494, 3257397, 3507966, 4092627, 4145778, 4343196, 4464684, 4836741, 5067062, 5456836, 6448988, 6514794, 7015932, 7600593, 8185254, 8291556, 9673482, 10134124, 12277881, 13029588, 14510223, 15201186, 16370508, 17734717, 19346964, 22801779, 24555762, 29020446, 30402372, 35469434, 45603558, 49111524, 53204151, 58040892, 70938868, 91207116, 106408302, 159612453, 212816604, 319224906, 638449812]

約数ペア:

[(1, 638449812), (2, 319224906), (3, 212816604), (4, 159612453), (6, 106408302), (7, 91207116), (9, 70938868), (11, 58040892), (12, 53204151), (13, 49111524), (14, 45603558), (18, 35469434), (21, 30402372), (22, 29020446), (26, 24555762), (28, 22801779), (33, 19346964), (36, 17734717), (39, 16370508), (42, 15201186), (44, 14510223), (49, 13029588), (52, 12277881), (63, 10134124), (66, 9673482), (77, 8291556), (78, 8185254), (84, 7600593), (91, 7015932), (98, 6514794), (99, 6448988), (117, 5456836), (126, 5067062), (132, 4836741), (143, 4464684), (147, 4343196), (154, 4145778), (156, 4092627), (182, 3507966), (196, 3257397), (198, 3224494), (231, 2763852), (234, 2728418), (252, 2533531), (273, 2338644), (286, 2232342), (294, 2171598), (308, 2072889), (364, 1753983), (396, 1612247), (429, 1488228), (441, 1447732), (462, 1381926), (468, 1364209), (539, 1184508), (546, 1169322), (572, 1116171), (588, 1085799), (637, 1002276), (693, 921284), (819, 779548), (858, 744114), (882, 723866), (924, 690963), (1001, 637812), (1078, 592254), (1092, 584661), (1274, 501138), (1287, 496076), (1386, 460642), (1617, 394836), (1638, 389774), (1716, 372057), (1764, 361933), (1911, 334092), (2002, 318906), (2156, 296127), (2531, 252252), (2548, 250569), (2574, 248038), (2772, 230321), (3003, 212604), (3234, 197418), (3276, 194887), (3822, 167046), (4004, 159453), (4851, 131612), (5062, 126126), (5148, 124019), (5733, 111364), (6006, 106302), (6468, 98709), (7007, 91116), (7593, 84084), (7644, 83523), (9009, 70868), (9702, 65806), (10124, 63063), (11466, 55682), (12012, 53151), (14014, 45558), (15186, 42042), (17717, 36036), (18018, 35434), (19404, 32903), (21021, 30372), (22779, 28028), (22932, 27841)]