666508774

素因数分解:

$2^1\times {\mathrm{227}}^1\times {\mathrm{661}}^1\times {\mathrm{2221}}^1$

素因数の和:3111

約数の個数: 16

約数和(自身を含む): 1006139376

約数和(自身を除く): 339630602

約数列:

[1, 2, 227, 454, 661, 1322, 2221, 4442, 150047, 300094, 504167, 1008334, 1468081, 2936162, 333254387, 666508774]

約数ペア:

[(1, 666508774), (2, 333254387), (227, 2936162), (454, 1468081), (661, 1008334), (1322, 504167), (2221, 300094), (4442, 150047)]