128556868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1223}}^1\times {\mathrm{2389}}^1$

素因数の和:3627

約数の個数: 24

約数和(自身を含む): 245730240

約数和(自身を除く): 117173372

約数列:

[1, 2, 4, 11, 22, 44, 1223, 2389, 2446, 4778, 4892, 9556, 13453, 26279, 26906, 52558, 53812, 105116, 2921747, 5843494, 11686988, 32139217, 64278434, 128556868]

約数ペア:

[(1, 128556868), (2, 64278434), (4, 32139217), (11, 11686988), (22, 5843494), (44, 2921747), (1223, 105116), (2389, 53812), (2446, 52558), (4778, 26906), (4892, 26279), (9556, 13453)]