28717810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{261071}}^1$

素因数の和:261089

約数の個数: 16

約数和(自身を含む): 56391552

約数和(自身を除く): 27673742

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 261071, 522142, 1305355, 2610710, 2871781, 5743562, 14358905, 28717810]

約数ペア:

[(1, 28717810), (2, 14358905), (5, 5743562), (10, 2871781), (11, 2610710), (22, 1305355), (55, 522142), (110, 261071)]