251899297

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{2111}}^1$

素因数の和:2328

約数の個数: 16

約数和(自身を含む): 277466112

約数和(自身を除く): 25566815

約数列:

[1, 13, 67, 137, 871, 1781, 2111, 9179, 27443, 119327, 141437, 289207, 1838681, 3759691, 19376869, 251899297]

約数ペア:

[(1, 251899297), (13, 19376869), (67, 3759691), (137, 1838681), (871, 289207), (1781, 141437), (2111, 119327), (9179, 27443)]