28711210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{261011}}^1$

素因数の和:261029

約数の個数: 16

約数和(自身を含む): 56378592

約数和(自身を除く): 27667382

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 261011, 522022, 1305055, 2610110, 2871121, 5742242, 14355605, 28711210]

約数ペア:

[(1, 28711210), (2, 14355605), (5, 5742242), (10, 2871121), (11, 2610110), (22, 1305055), (55, 522022), (110, 261011)]