257515116

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:483

約数の個数: 96

約数和(自身を含む): 661510080

約数和(自身を除く): 403994964

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 37, 51, 68, 74, 102, 109, 111, 148, 204, 218, 222, 313, 327, 436, 444, 626, 629, 654, 939, 1252, 1258, 1308, 1853, 1878, 1887, 2516, 3706, 3756, 3774, 4033, 5321, 5559, 7412, 7548, 8066, 10642, 11118, 11581, 12099, 15963, 16132, 21284, 22236, 23162, 24198, 31926, 34117, 34743, 46324, 48396, 63852, 68234, 68561, 69486, 102351, 136468, 137122, 138972, 196877, 204702, 205683, 274244, 393754, 409404, 411366, 579989, 590631, 787508, 822732, 1159978, 1181262, 1262329, 1739967, 2319956, 2362524, 2524658, 3479934, 3786987, 5049316, 6959868, 7573974, 15147948, 21459593, 42919186, 64378779, 85838372, 128757558, 257515116]

約数ペア:

[(1, 257515116), (2, 128757558), (3, 85838372), (4, 64378779), (6, 42919186), (12, 21459593), (17, 15147948), (34, 7573974), (37, 6959868), (51, 5049316), (68, 3786987), (74, 3479934), (102, 2524658), (109, 2362524), (111, 2319956), (148, 1739967), (204, 1262329), (218, 1181262), (222, 1159978), (313, 822732), (327, 787508), (436, 590631), (444, 579989), (626, 411366), (629, 409404), (654, 393754), (939, 274244), (1252, 205683), (1258, 204702), (1308, 196877), (1853, 138972), (1878, 137122), (1887, 136468), (2516, 102351), (3706, 69486), (3756, 68561), (3774, 68234), (4033, 63852), (5321, 48396), (5559, 46324), (7412, 34743), (7548, 34117), (8066, 31926), (10642, 24198), (11118, 23162), (11581, 22236), (12099, 21284), (15963, 16132)]