212009005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{19531}}^1$

素因数の和:19716

約数の個数: 16

約数和(自身を含む): 275635584

約数和(自身を除く): 63626579

約数列:

[1, 5, 13, 65, 167, 835, 2171, 10855, 19531, 97655, 253903, 1269515, 3261677, 16308385, 42401801, 212009005]

約数ペア:

[(1, 212009005), (5, 42401801), (13, 16308385), (65, 3261677), (167, 1269515), (835, 253903), (2171, 97655), (10855, 19531)]