30916249

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17881}}^1$

素因数の和:17920

約数の個数: 16

約数和(自身を含む): 40055680

約数和(自身を除く): 9139431

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 17881, 125167, 232453, 339739, 1627171, 2378173, 4416607, 30916249]

約数ペア:

[(1, 30916249), (7, 4416607), (13, 2378173), (19, 1627171), (91, 339739), (133, 232453), (247, 125167), (1729, 17881)]