157420565

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{5011}}^1$

素因数の和:5180

約数の個数: 16

約数和(自身を含む): 193904256

約数和(自身を除く): 36483691

約数列:

[1, 5, 61, 103, 305, 515, 5011, 6283, 25055, 31415, 305671, 516133, 1528355, 2580665, 31484113, 157420565]

約数ペア:

[(1, 157420565), (5, 31484113), (61, 2580665), (103, 1528355), (305, 516133), (515, 305671), (5011, 31415), (6283, 25055)]