28138672

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{103451}}^1$

素因数の和:103476

約数の個数: 20

約数和(自身を含む): 57726216

約数和(自身を除く): 29587544

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 103451, 206902, 413804, 827608, 1655216, 1758667, 3517334, 7034668, 14069336, 28138672]

約数ペア:

[(1, 28138672), (2, 14069336), (4, 7034668), (8, 3517334), (16, 1758667), (17, 1655216), (34, 827608), (68, 413804), (136, 206902), (272, 103451)]