81929315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{4027}}^1$

素因数の和:4358

約数の個数: 16

約数和(自身を含む): 106242528

約数和(自身を除く): 24313213

約数列:

[1, 5, 13, 65, 313, 1565, 4027, 4069, 20135, 20345, 52351, 261755, 1260451, 6302255, 16385863, 81929315]

約数ペア:

[(1, 81929315), (5, 16385863), (13, 6302255), (65, 1260451), (313, 261755), (1565, 52351), (4027, 20345), (4069, 20135)]