28335905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2887}}^1$

素因数の和:3056

約数の個数: 16

約数和(自身を含む): 36873984

約数和(自身を除く): 8538079

約数列:

[1, 5, 13, 65, 151, 755, 1963, 2887, 9815, 14435, 37531, 187655, 435937, 2179685, 5667181, 28335905]

約数ペア:

[(1, 28335905), (5, 5667181), (13, 2179685), (65, 435937), (151, 187655), (755, 37531), (1963, 14435), (2887, 9815)]