258223679

素因数分解:

$7^2\times {\mathrm{1621}}^1\times {\mathrm{3251}}^1$

素因数の和:4886

約数の個数: 12

約数和(自身を含む): 300660408

約数和(自身を除く): 42436729

約数列:

[1, 7, 49, 1621, 3251, 11347, 22757, 79429, 159299, 5269871, 36889097, 258223679]

約数ペア:

[(1, 258223679), (7, 36889097), (49, 5269871), (1621, 159299), (3251, 79429), (11347, 22757)]