56621305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{51241}}^1$

素因数の和:51276

約数の個数: 16

約数和(自身を含む): 77477904

約数和(自身を除く): 20856599

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 51241, 256205, 666133, 871097, 3330665, 4355485, 11324261, 56621305]

約数ペア:

[(1, 56621305), (5, 11324261), (13, 4355485), (17, 3330665), (65, 871097), (85, 666133), (221, 256205), (1105, 51241)]