199469855

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{4001}}^1$

素因数の和:4091

約数の個数: 24

約数和(自身を含む): 263651760

約数和(自身を除く): 64181905

約数列:

[1, 5, 13, 59, 65, 169, 295, 767, 845, 3835, 4001, 9971, 20005, 49855, 52013, 236059, 260065, 676169, 1180295, 3068767, 3380845, 15343835, 39893971, 199469855]

約数ペア:

[(1, 199469855), (5, 39893971), (13, 15343835), (59, 3380845), (65, 3068767), (169, 1180295), (295, 676169), (767, 260065), (845, 236059), (3835, 52013), (4001, 49855), (9971, 20005)]