171955870

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{42043}}^1$

素因数の和:42459

約数の個数: 16

約数和(自身を含む): 310284720

約数和(自身を除く): 138328850

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 42043, 84086, 210215, 420430, 17195587, 34391174, 85977935, 171955870]

約数ペア:

[(1, 171955870), (2, 85977935), (5, 34391174), (10, 17195587), (409, 420430), (818, 210215), (2045, 84086), (4090, 42043)]