2840404

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1663}}^1$

素因数の和:1735

約数の個数: 24

約数和(自身を含む): 5777408

約数和(自身を除く): 2937004

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1663, 1708, 3326, 6652, 11641, 23282, 46564, 101443, 202886, 405772, 710101, 1420202, 2840404]

約数ペア:

[(1, 2840404), (2, 1420202), (4, 710101), (7, 405772), (14, 202886), (28, 101443), (61, 46564), (122, 23282), (244, 11641), (427, 6652), (854, 3326), (1663, 1708)]