81424985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{1951}}^1$

素因数の和:2464

約数の個数: 16

約数和(自身を含む): 103721472

約数和(自身を除く): 22296487

約数列:

[1, 5, 17, 85, 491, 1951, 2455, 8347, 9755, 33167, 41735, 165835, 957941, 4789705, 16284997, 81424985]

約数ペア:

[(1, 81424985), (5, 16284997), (17, 4789705), (85, 957941), (491, 165835), (1951, 41735), (2455, 33167), (8347, 9755)]