721000774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{5413}}^1$

素因数の和:5584

約数の個数: 32

約数和(自身を含む): 1200608640

約数和(自身を除く): 479607866

約数列:

[1, 2, 13, 26, 47, 94, 109, 218, 611, 1222, 1417, 2834, 5123, 5413, 10246, 10826, 66599, 70369, 133198, 140738, 254411, 508822, 590017, 1180034, 3307343, 6614686, 7670221, 15340442, 27730799, 55461598, 360500387, 721000774]

約数ペア:

[(1, 721000774), (2, 360500387), (13, 55461598), (26, 27730799), (47, 15340442), (94, 7670221), (109, 6614686), (218, 3307343), (611, 1180034), (1222, 590017), (1417, 508822), (2834, 254411), (5123, 140738), (5413, 133198), (10246, 70369), (10826, 66599)]