256432015

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{198017}}^1$

素因数の和:198066

約数の個数: 16

約数和(自身を含む): 361184832

約数和(自身を除く): 104752817

約数列:

[1, 5, 7, 35, 37, 185, 259, 1295, 198017, 990085, 1386119, 6930595, 7326629, 36633145, 51286403, 256432015]

約数ペア:

[(1, 256432015), (5, 51286403), (7, 36633145), (35, 7326629), (37, 6930595), (185, 1386119), (259, 990085), (1295, 198017)]