258434

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1$

素因数の和:721

約数の個数: 16

約数和(自身を含む): 448416

約数和(自身を除く): 189982

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 691, 1382, 7601, 11747, 15202, 23494, 129217, 258434]

約数ペア:

[(1, 258434), (2, 129217), (11, 23494), (17, 15202), (22, 11747), (34, 7601), (187, 1382), (374, 691)]