7249970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 16644096

約数和(自身を除く): 9394126

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 257, 310, 403, 434, 455, 514, 806, 910, 1085, 1285, 1799, 2015, 2170, 2570, 2821, 3341, 3598, 4030, 5642, 6682, 7967, 8995, 14105, 15934, 16705, 17990, 23387, 28210, 33410, 39835, 46774, 55769, 79670, 103571, 111538, 116935, 207142, 233870, 278845, 517855, 557690, 724997, 1035710, 1449994, 3624985, 7249970]

約数ペア:

[(1, 7249970), (2, 3624985), (5, 1449994), (7, 1035710), (10, 724997), (13, 557690), (14, 517855), (26, 278845), (31, 233870), (35, 207142), (62, 116935), (65, 111538), (70, 103571), (91, 79670), (130, 55769), (155, 46774), (182, 39835), (217, 33410), (257, 28210), (310, 23387), (403, 17990), (434, 16705), (455, 15934), (514, 14105), (806, 8995), (910, 7967), (1085, 6682), (1285, 5642), (1799, 4030), (2015, 3598), (2170, 3341), (2570, 2821)]