257544917

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{6131}}^1$

素因数の和:6508

約数の個数: 16

約数和(自身を含む): 312584832

約数和(自身を除く): 55039915

約数列:

[1, 7, 17, 119, 353, 2471, 6001, 6131, 42007, 42917, 104227, 729589, 2164243, 15149701, 36792131, 257544917]

約数ペア:

[(1, 257544917), (7, 36792131), (17, 15149701), (119, 2164243), (353, 729589), (2471, 104227), (6001, 42917), (6131, 42007)]