201009994

素因数分解:

$2^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1\times {\mathrm{1993}}^1$

素因数の和:2445

約数の個数: 16

約数和(自身を含む): 304364160

約数和(自身を除く): 103354166

約数列:

[1, 2, 211, 239, 422, 478, 1993, 3986, 50429, 100858, 420523, 476327, 841046, 952654, 100504997, 201009994]

約数ペア:

[(1, 201009994), (2, 100504997), (211, 952654), (239, 841046), (422, 476327), (478, 420523), (1993, 100858), (3986, 50429)]