257569793

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{22039}}^1$

素因数の和:22112

約数の個数: 16

約数和(自身を含む): 296217600

約数和(自身を除く): 38647807

約数列:

[1, 13, 29, 31, 377, 403, 899, 11687, 22039, 286507, 639131, 683209, 8308703, 8881717, 19813061, 257569793]

約数ペア:

[(1, 257569793), (13, 19813061), (29, 8881717), (31, 8308703), (377, 683209), (403, 639131), (899, 286507), (11687, 22039)]