218978981

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{3541}}^1$

素因数の和:3692

約数の個数: 16

約数和(自身を含む): 242782848

約数和(自身を除く): 23803867

約数列:

[1, 13, 67, 71, 871, 923, 3541, 4757, 46033, 61841, 237247, 251411, 3084211, 3268343, 16844537, 218978981]

約数ペア:

[(1, 218978981), (13, 16844537), (67, 3268343), (71, 3084211), (871, 251411), (923, 237247), (3541, 61841), (4757, 46033)]