1621674874

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{641}}^1$

素因数の和:1026

約数の個数: 32

約数和(自身を含む): 2514816720

約数和(自身を除く): 893141846

約数列:

[1, 2, 61, 89, 122, 178, 233, 466, 641, 1282, 5429, 10858, 14213, 20737, 28426, 39101, 41474, 57049, 78202, 114098, 149353, 298706, 1264957, 2529914, 3479989, 6959978, 9110533, 13292417, 18221066, 26584834, 810837437, 1621674874]

約数ペア:

[(1, 1621674874), (2, 810837437), (61, 26584834), (89, 18221066), (122, 13292417), (178, 9110533), (233, 6959978), (466, 3479989), (641, 2529914), (1282, 1264957), (5429, 298706), (10858, 149353), (14213, 114098), (20737, 78202), (28426, 57049), (39101, 41474)]