890990023

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{41179}}^1$

素因数の和:41478

約数の個数: 16

約数和(自身を含む): 1114824960

約数和(自身を除く): 223834937

約数列:

[1, 7, 11, 77, 281, 1967, 3091, 21637, 41179, 288253, 452969, 3170783, 11571299, 80999093, 127284289, 890990023]

約数ペア:

[(1, 890990023), (7, 127284289), (11, 80999093), (77, 11571299), (281, 3170783), (1967, 452969), (3091, 288253), (21637, 41179)]