28654639

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 34040160

約数和(自身を除く): 5385521

約数列:

[1, 13, 17, 29, 221, 263, 289, 377, 493, 3419, 3757, 4471, 6409, 7627, 8381, 58123, 76007, 99151, 108953, 129659, 988091, 1685567, 2204203, 28654639]

約数ペア:

[(1, 28654639), (13, 2204203), (17, 1685567), (29, 988091), (221, 129659), (263, 108953), (289, 99151), (377, 76007), (493, 58123), (3419, 8381), (3757, 7627), (4471, 6409)]