81330665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{6551}}^1$

素因数の和:6760

約数の個数: 16

約数和(自身を含む): 105670656

約数和(自身を除く): 24339991

約数列:

[1, 5, 13, 65, 191, 955, 2483, 6551, 12415, 32755, 85163, 425815, 1251241, 6256205, 16266133, 81330665]

約数ペア:

[(1, 81330665), (5, 16266133), (13, 6256205), (65, 1251241), (191, 425815), (955, 85163), (2483, 32755), (6551, 12415)]