156985085

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{6451}}^1$

素因数の和:6644

約数の個数: 16

約数和(自身を含む): 195727872

約数和(自身を除く): 38742787

約数列:

[1, 5, 31, 155, 157, 785, 4867, 6451, 24335, 32255, 199981, 999905, 1012807, 5064035, 31397017, 156985085]

約数ペア:

[(1, 156985085), (5, 31397017), (31, 5064035), (155, 1012807), (157, 999905), (785, 199981), (4867, 32255), (6451, 24335)]