209556145

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1\times {\mathrm{821}}^1$

素因数の和:1616

約数の個数: 16

約数和(自身を含む): 255674880

約数和(自身を除く): 46118735

約数列:

[1, 5, 71, 355, 719, 821, 3595, 4105, 51049, 58291, 255245, 291455, 590299, 2951495, 41911229, 209556145]

約数ペア:

[(1, 209556145), (5, 41911229), (71, 2951495), (355, 590299), (719, 291455), (821, 255245), (3595, 58291), (4105, 51049)]