551408890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{903949}}^1$

素因数の和:904017

約数の個数: 16

約数和(自身を含む): 1008808200

約数和(自身を除く): 457399310

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 903949, 1807898, 4519745, 9039490, 55140889, 110281778, 275704445, 551408890]

約数ペア:

[(1, 551408890), (2, 275704445), (5, 110281778), (10, 55140889), (61, 9039490), (122, 4519745), (305, 1807898), (610, 903949)]