28406755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{4327}}^1$

素因数の和:4446

約数の個数: 16

約数和(自身を含む): 37082304

約数和(自身を除く): 8675549

約数列:

[1, 5, 13, 65, 101, 505, 1313, 4327, 6565, 21635, 56251, 281255, 437027, 2185135, 5681351, 28406755]

約数ペア:

[(1, 28406755), (5, 5681351), (13, 2185135), (65, 437027), (101, 281255), (505, 56251), (1313, 21635), (4327, 6565)]