643750421282

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{146240441}}^1$

素因数の和:146240545

約数の個数: 16

約数和(自身を含む): 1010813935104

約数和(自身を除く): 367063513822

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 146240441, 292480882, 4533453671, 9066907342, 10383071311, 20766142622, 321875210641, 643750421282]

約数ペア:

[(1, 643750421282), (2, 321875210641), (31, 20766142622), (62, 10383071311), (71, 9066907342), (142, 4533453671), (2201, 292480882), (4402, 146240441)]