668720351

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1\times {\mathrm{1423}}^1$

素因数の和:2450

約数の個数: 16

約数和(自身を含む): 740901504

約数和(自身を除く): 72181153

約数列:

[1, 13, 37, 481, 977, 1423, 12701, 18499, 36149, 52651, 469937, 684463, 1390271, 18073523, 51440027, 668720351]

約数ペア:

[(1, 668720351), (13, 51440027), (37, 18073523), (481, 1390271), (977, 684463), (1423, 469937), (12701, 52651), (18499, 36149)]