201191575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{3943}}^1$

素因数の和:4123

約数の個数: 24

約数和(自身を含む): 270447968

約数和(自身を除く): 69256393

約数列:

[1, 5, 13, 25, 65, 157, 325, 785, 2041, 3925, 3943, 10205, 19715, 51025, 51259, 98575, 256295, 619051, 1281475, 3095255, 8047663, 15476275, 40238315, 201191575]

約数ペア:

[(1, 201191575), (5, 40238315), (13, 15476275), (25, 8047663), (65, 3095255), (157, 1281475), (325, 619051), (785, 256295), (2041, 98575), (3925, 51259), (3943, 51025), (10205, 19715)]