253431529

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{1789}}^1$

素因数の和:2460

約数の個数: 16

約数和(自身を含む): 289593360

約数和(自身を除く): 36161831

約数列:

[1, 13, 17, 221, 641, 1789, 8333, 10897, 23257, 30413, 141661, 395369, 1146749, 14907737, 19494733, 253431529]

約数ペア:

[(1, 253431529), (13, 19494733), (17, 14907737), (221, 1146749), (641, 395369), (1789, 141661), (8333, 30413), (10897, 23257)]