71520565

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{2939}}^1$

素因数の和:3132

約数の個数: 16

約数和(自身を含む): 89187840

約数和(自身を除く): 17667275

約数列:

[1, 5, 31, 155, 157, 785, 2939, 4867, 14695, 24335, 91109, 455545, 461423, 2307115, 14304113, 71520565]

約数ペア:

[(1, 71520565), (5, 14304113), (31, 2307115), (155, 461423), (157, 455545), (785, 91109), (2939, 24335), (4867, 14695)]