205317215

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{2069}}^1$

素因数の和:2386

約数の個数: 16

約数和(自身を含む): 250387200

約数和(自身を除く): 45069985

約数列:

[1, 5, 89, 223, 445, 1115, 2069, 10345, 19847, 99235, 184141, 461387, 920705, 2306935, 41063443, 205317215]

約数ペア:

[(1, 205317215), (5, 41063443), (89, 2306935), (223, 920705), (445, 461387), (1115, 184141), (2069, 99235), (10345, 19847)]