1688336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{8117}}^1$

素因数の和:8138

約数の個数: 20

約数和(自身を含む): 3523212

約数和(自身を除く): 1834876

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 8117, 16234, 32468, 64936, 105521, 129872, 211042, 422084, 844168, 1688336]

約数ペア:

[(1, 1688336), (2, 844168), (4, 422084), (8, 211042), (13, 129872), (16, 105521), (26, 64936), (52, 32468), (104, 16234), (208, 8117)]