31680968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{691}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 65020320

約数和(自身を除く): 33339352

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 521, 691, 1042, 1382, 2084, 2764, 4168, 5528, 5731, 7601, 11462, 15202, 22924, 30404, 45848, 60808, 360011, 720022, 1440044, 2880088, 3960121, 7920242, 15840484, 31680968]

約数ペア:

[(1, 31680968), (2, 15840484), (4, 7920242), (8, 3960121), (11, 2880088), (22, 1440044), (44, 720022), (88, 360011), (521, 60808), (691, 45848), (1042, 30404), (1382, 22924), (2084, 15202), (2764, 11462), (4168, 7601), (5528, 5731)]