64521757

素因数分解:

${\mathrm{31}}^1\times {\mathrm{113}}^2\times {\mathrm{163}}^1$

素因数の和:420

約数の個数: 12

約数和(自身を含む): 67609984

約数和(自身を除く): 3088227

約数列:

[1, 31, 113, 163, 3503, 5053, 12769, 18419, 395839, 570989, 2081347, 64521757]

約数ペア:

[(1, 64521757), (31, 2081347), (113, 570989), (163, 395839), (3503, 18419), (5053, 12769)]