1991408

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1753}}^1$

素因数の和:1832

約数の個数: 20

約数和(自身を含む): 3914928

約数和(自身を除く): 1923520

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1753, 3506, 7012, 14024, 28048, 124463, 248926, 497852, 995704, 1991408]

約数ペア:

[(1, 1991408), (2, 995704), (4, 497852), (8, 248926), (16, 124463), (71, 28048), (142, 14024), (284, 7012), (568, 3506), (1136, 1753)]