1280452796

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{25939}}^1$

素因数の和:26034

約数の個数: 48

約数和(自身を含む): 2684478720

約数和(自身を除く): 1404025924

約数列:

[1, 2, 4, 7, 14, 28, 41, 43, 82, 86, 164, 172, 287, 301, 574, 602, 1148, 1204, 1763, 3526, 7052, 12341, 24682, 25939, 49364, 51878, 103756, 181573, 363146, 726292, 1063499, 1115377, 2126998, 2230754, 4253996, 4461508, 7444493, 7807639, 14888986, 15615278, 29777972, 31230556, 45730457, 91460914, 182921828, 320113199, 640226398, 1280452796]

約数ペア:

[(1, 1280452796), (2, 640226398), (4, 320113199), (7, 182921828), (14, 91460914), (28, 45730457), (41, 31230556), (43, 29777972), (82, 15615278), (86, 14888986), (164, 7807639), (172, 7444493), (287, 4461508), (301, 4253996), (574, 2230754), (602, 2126998), (1148, 1115377), (1204, 1063499), (1763, 726292), (3526, 363146), (7052, 181573), (12341, 103756), (24682, 51878), (25939, 49364)]