1228913

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:496

約数の個数: 16

約数和(自身を含む): 1555200

約数和(自身を除く): 326287

約数列:

[1, 7, 17, 23, 119, 161, 391, 449, 2737, 3143, 7633, 10327, 53431, 72289, 175559, 1228913]

約数ペア:

[(1, 1228913), (7, 175559), (17, 72289), (23, 53431), (119, 10327), (161, 7633), (391, 3143), (449, 2737)]