28688135

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{22153}}^1$

素因数の和:22202

約数の個数: 16

約数和(自身を含む): 40408896

約数和(自身を除く): 11720761

約数列:

[1, 5, 7, 35, 37, 185, 259, 1295, 22153, 110765, 155071, 775355, 819661, 4098305, 5737627, 28688135]

約数ペア:

[(1, 28688135), (5, 5737627), (7, 4098305), (35, 819661), (37, 775355), (185, 155071), (259, 110765), (1295, 22153)]