388523746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{5081}}^1$

素因数の和:5286

約数の個数: 32

約数和(自身を含む): 668506608

約数和(自身を除く): 279982862

約数列:

[1, 2, 13, 17, 26, 34, 173, 221, 346, 442, 2249, 2941, 4498, 5081, 5882, 10162, 38233, 66053, 76466, 86377, 132106, 172754, 879013, 1122901, 1758026, 2245802, 11427169, 14943221, 22854338, 29886442, 194261873, 388523746]

約数ペア:

[(1, 388523746), (2, 194261873), (13, 29886442), (17, 22854338), (26, 14943221), (34, 11427169), (173, 2245802), (221, 1758026), (346, 1122901), (442, 879013), (2249, 172754), (2941, 132106), (4498, 86377), (5081, 76466), (5882, 66053), (10162, 38233)]