61640735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{20177}}^1$

素因数の和:20242

約数の個数: 16

約数和(自身を含む): 81357696

約数和(自身を除く): 19716961

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 20177, 100885, 262301, 948319, 1311505, 4741595, 12328147, 61640735]

約数ペア:

[(1, 61640735), (5, 12328147), (13, 4741595), (47, 1311505), (65, 948319), (235, 262301), (611, 100885), (3055, 20177)]