321569404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{31391}}^1$

素因数の和:31605

約数の個数: 24

約数和(自身を含む): 609130368

約数和(自身を除く): 287560964

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 2561, 5122, 10244, 31391, 62782, 125564, 408083, 816166, 1632332, 6184027, 12368054, 24736108, 80392351, 160784702, 321569404]

約数ペア:

[(1, 321569404), (2, 160784702), (4, 80392351), (13, 24736108), (26, 12368054), (52, 6184027), (197, 1632332), (394, 816166), (788, 408083), (2561, 125564), (5122, 62782), (10244, 31391)]