201930421

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{374639}}^1$

素因数の和:374664

約数の個数: 12

約数和(自身を含む): 256253760

約数和(自身を除く): 54323339

約数列:

[1, 7, 11, 49, 77, 539, 374639, 2622473, 4121029, 18357311, 28847203, 201930421]

約数ペア:

[(1, 201930421), (7, 28847203), (11, 18357311), (49, 4121029), (77, 2622473), (539, 374639)]