1280409194

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{2137}}^1\times {\mathrm{6967}}^1$

素因数の和:9149

約数の個数: 16

約数和(自身を含む): 1966481088

約数和(自身を除く): 686071894

約数列:

[1, 2, 43, 86, 2137, 4274, 6967, 13934, 91891, 183782, 299581, 599162, 14888479, 29776958, 640204597, 1280409194]

約数ペア:

[(1, 1280409194), (2, 640204597), (43, 29776958), (86, 14888479), (2137, 599162), (4274, 299581), (6967, 183782), (13934, 91891)]