155117795990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{218475769}}^1$

素因数の和:218475847

約数の個数: 16

約数和(自身を含む): 283144597920

約数和(自身を除く): 128026801930

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 218475769, 436951538, 1092378845, 2184757690, 15511779599, 31023559198, 77558897995, 155117795990]

約数ペア:

[(1, 155117795990), (2, 77558897995), (5, 31023559198), (10, 15511779599), (71, 2184757690), (142, 1092378845), (355, 436951538), (710, 218475769)]