81596668

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{7643}}^1$

素因数の和:7821

約数の個数: 24

約数和(自身を含む): 152176752

約数和(自身を除く): 70580084

約数列:

[1, 2, 4, 17, 34, 68, 157, 314, 628, 2669, 5338, 7643, 10676, 15286, 30572, 129931, 259862, 519724, 1199951, 2399902, 4799804, 20399167, 40798334, 81596668]

約数ペア:

[(1, 81596668), (2, 40798334), (4, 20399167), (17, 4799804), (34, 2399902), (68, 1199951), (157, 519724), (314, 259862), (628, 129931), (2669, 30572), (5338, 15286), (7643, 10676)]