128908946

素因数分解:

$2^1\times {\mathrm{193}}^1\times {\mathrm{521}}^1\times {\mathrm{641}}^1$

素因数の和:1357

約数の個数: 16

約数和(自身を含む): 195042168

約数和(自身を除く): 66133222

約数列:

[1, 2, 193, 386, 521, 641, 1042, 1282, 100553, 123713, 201106, 247426, 333961, 667922, 64454473, 128908946]

約数ペア:

[(1, 128908946), (2, 64454473), (193, 667922), (386, 333961), (521, 247426), (641, 201106), (1042, 123713), (1282, 100553)]