128166913

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{757}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 157106112

約数和(自身を除く): 28939199

約数列:

[1, 7, 19, 67, 133, 361, 469, 757, 1273, 2527, 5299, 8911, 14383, 24187, 50719, 100681, 169309, 273277, 355033, 963661, 1912939, 6745627, 18309559, 128166913]

約数ペア:

[(1, 128166913), (7, 18309559), (19, 6745627), (67, 1912939), (133, 963661), (361, 355033), (469, 273277), (757, 169309), (1273, 100681), (2527, 50719), (5299, 24187), (8911, 14383)]