660304072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{131221}}^1$

素因数の和:131281

約数の個数: 32

約数和(自身を含む): 1346337720

約数和(自身を除く): 686033648

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 296, 629, 1258, 2516, 5032, 131221, 262442, 524884, 1049768, 2230757, 4461514, 4855177, 8923028, 9710354, 17846056, 19420708, 38841416, 82538009, 165076018, 330152036, 660304072]

約数ペア:

[(1, 660304072), (2, 330152036), (4, 165076018), (8, 82538009), (17, 38841416), (34, 19420708), (37, 17846056), (68, 9710354), (74, 8923028), (136, 4855177), (148, 4461514), (296, 2230757), (629, 1049768), (1258, 524884), (2516, 262442), (5032, 131221)]