263306812

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{20063}}^1$

素因数の和:20277

約数の個数: 24

約数和(自身を含む): 490444416

約数和(自身を除く): 227137604

約数列:

[1, 2, 4, 17, 34, 68, 193, 386, 772, 3281, 6562, 13124, 20063, 40126, 80252, 341071, 682142, 1364284, 3872159, 7744318, 15488636, 65826703, 131653406, 263306812]

約数ペア:

[(1, 263306812), (2, 131653406), (4, 65826703), (17, 15488636), (34, 7744318), (68, 3872159), (193, 1364284), (386, 682142), (772, 341071), (3281, 80252), (6562, 40126), (13124, 20063)]