638486952

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{23357}}^1$

素因数の和:23450

約数の個数: 64

約数和(自身を含む): 1715411520

約数和(自身を除く): 1076924568

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 67, 68, 102, 134, 136, 201, 204, 268, 402, 408, 536, 804, 1139, 1608, 2278, 3417, 4556, 6834, 9112, 13668, 23357, 27336, 46714, 70071, 93428, 140142, 186856, 280284, 397069, 560568, 794138, 1191207, 1564919, 1588276, 2382414, 3129838, 3176552, 4694757, 4764828, 6259676, 9389514, 9529656, 12519352, 18779028, 26603623, 37558056, 53207246, 79810869, 106414492, 159621738, 212828984, 319243476, 638486952]

約数ペア:

[(1, 638486952), (2, 319243476), (3, 212828984), (4, 159621738), (6, 106414492), (8, 79810869), (12, 53207246), (17, 37558056), (24, 26603623), (34, 18779028), (51, 12519352), (67, 9529656), (68, 9389514), (102, 6259676), (134, 4764828), (136, 4694757), (201, 3176552), (204, 3129838), (268, 2382414), (402, 1588276), (408, 1564919), (536, 1191207), (804, 794138), (1139, 560568), (1608, 397069), (2278, 280284), (3417, 186856), (4556, 140142), (6834, 93428), (9112, 70071), (13668, 46714), (23357, 27336)]