81308266

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{10459}}^1$

素因数の和:10510

約数の個数: 24

約数和(自身を含む): 137820960

約数和(自身を除く): 56512694

約数列:

[1, 2, 13, 23, 26, 46, 169, 299, 338, 598, 3887, 7774, 10459, 20918, 135967, 240557, 271934, 481114, 1767571, 3127241, 3535142, 6254482, 40654133, 81308266]

約数ペア:

[(1, 81308266), (2, 40654133), (13, 6254482), (23, 3535142), (26, 3127241), (46, 1767571), (169, 481114), (299, 271934), (338, 240557), (598, 135967), (3887, 20918), (7774, 10459)]