291346705

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{173}}^1\times {\mathrm{1993}}^1$

素因数の和:2197

約数の個数: 24

約数和(自身を含む): 380957688

約数和(自身を除く): 89610983

約数列:

[1, 5, 13, 65, 169, 173, 845, 865, 1993, 2249, 9965, 11245, 25909, 29237, 129545, 146185, 336817, 344789, 1684085, 1723945, 4482257, 22411285, 58269341, 291346705]

約数ペア:

[(1, 291346705), (5, 58269341), (13, 22411285), (65, 4482257), (169, 1723945), (173, 1684085), (845, 344789), (865, 336817), (1993, 146185), (2249, 129545), (9965, 29237), (11245, 25909)]