219961010

素因数分解:

$2^1\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{12781}}^1$

素因数の和:14509

約数の個数: 16

約数和(自身を含む): 396190872

約数和(自身を除く): 176229862

約数列:

[1, 2, 5, 10, 1721, 3442, 8605, 12781, 17210, 25562, 63905, 127810, 21996101, 43992202, 109980505, 219961010]

約数ペア:

[(1, 219961010), (2, 109980505), (5, 43992202), (10, 21996101), (1721, 127810), (3442, 63905), (8605, 25562), (12781, 17210)]