15636481

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 20528640

約数和(自身を除く): 4892159

約数列:

[1, 7, 17, 23, 29, 119, 161, 197, 203, 391, 493, 667, 1379, 2737, 3349, 3451, 4531, 4669, 5713, 11339, 23443, 31717, 39991, 77027, 79373, 97121, 131399, 539189, 679847, 919793, 2233783, 15636481]

約数ペア:

[(1, 15636481), (7, 2233783), (17, 919793), (23, 679847), (29, 539189), (119, 131399), (161, 97121), (197, 79373), (203, 77027), (391, 39991), (493, 31717), (667, 23443), (1379, 11339), (2737, 5713), (3349, 4669), (3451, 4531)]