2421328

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1663}}^1$

素因数の和:1691

約数の個数: 40

約数和(自身を含む): 5777408

約数和(自身を除く): 3356080

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 1663, 3326, 6652, 11641, 13304, 21619, 23282, 26608, 43238, 46564, 86476, 93128, 151333, 172952, 186256, 302666, 345904, 605332, 1210664, 2421328]

約数ペア:

[(1, 2421328), (2, 1210664), (4, 605332), (7, 345904), (8, 302666), (13, 186256), (14, 172952), (16, 151333), (26, 93128), (28, 86476), (52, 46564), (56, 43238), (91, 26608), (104, 23282), (112, 21619), (182, 13304), (208, 11641), (364, 6652), (728, 3326), (1456, 1663)]