1640691868

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{28859}}^1$

素因数の和:29157

約数の個数: 24

約数和(自身を含む): 2930906160

約数和(自身を除く): 1290214292

約数列:

[1, 2, 4, 61, 122, 233, 244, 466, 932, 14213, 28426, 28859, 56852, 57718, 115436, 1760399, 3520798, 6724147, 7041596, 13448294, 26896588, 410172967, 820345934, 1640691868]

約数ペア:

[(1, 1640691868), (2, 820345934), (4, 410172967), (61, 26896588), (122, 13448294), (233, 7041596), (244, 6724147), (466, 3520798), (932, 1760399), (14213, 115436), (28426, 57718), (28859, 56852)]