56909515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{23663}}^1$

素因数の和:23718

約数の個数: 16

約数和(自身を含む): 75535488

約数和(自身を除く): 18625973

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 23663, 118315, 307619, 875531, 1538095, 4377655, 11381903, 56909515]

約数ペア:

[(1, 56909515), (5, 11381903), (13, 4377655), (37, 1538095), (65, 875531), (185, 307619), (481, 118315), (2405, 23663)]