256523917

素因数分解:

${\mathrm{13}}^3\times {\mathrm{59}}^1\times {\mathrm{1979}}^1$

素因数の和:2077

約数の個数: 16

約数和(自身を含む): 282744000

約数和(自身を除く): 26220083

約数列:

[1, 13, 59, 169, 767, 1979, 2197, 9971, 25727, 116761, 129623, 334451, 1517893, 4347863, 19732609, 256523917]

約数ペア:

[(1, 256523917), (13, 19732609), (59, 4347863), (169, 1517893), (767, 334451), (1979, 129623), (2197, 116761), (9971, 25727)]