28711870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{261017}}^1$

素因数の和:261035

約数の個数: 16

約数和(自身を含む): 56379888

約数和(自身を除く): 27668018

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 261017, 522034, 1305085, 2610170, 2871187, 5742374, 14355935, 28711870]

約数ペア:

[(1, 28711870), (2, 14355935), (5, 5742374), (10, 2871187), (11, 2610170), (22, 1305085), (55, 522034), (110, 261017)]