861424

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{3167}}^1$

素因数の和:3192

約数の個数: 20

約数和(自身を含む): 1767744

約数和(自身を除く): 906320

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 3167, 6334, 12668, 25336, 50672, 53839, 107678, 215356, 430712, 861424]

約数ペア:

[(1, 861424), (2, 430712), (4, 215356), (8, 107678), (16, 53839), (17, 50672), (34, 25336), (68, 12668), (136, 6334), (272, 3167)]