257002430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1511779}}^1$

素因数の和:1511803

約数の個数: 16

約数和(自身を含む): 489816720

約数和(自身を除く): 232814290

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1511779, 3023558, 7558895, 15117790, 25700243, 51400486, 128501215, 257002430]

約数ペア:

[(1, 257002430), (2, 128501215), (5, 51400486), (10, 25700243), (17, 15117790), (34, 7558895), (85, 3023558), (170, 1511779)]