12680521

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:201

約数の個数: 32

約数和(自身を含む): 16547328

約数和(自身を除く): 3866807

約数列:

[1, 7, 17, 23, 41, 113, 119, 161, 287, 391, 697, 791, 943, 1921, 2599, 2737, 4633, 4879, 6601, 13447, 16031, 18193, 32431, 44183, 78761, 106559, 112217, 309281, 551327, 745913, 1811503, 12680521]

約数ペア:

[(1, 12680521), (7, 1811503), (17, 745913), (23, 551327), (41, 309281), (113, 112217), (119, 106559), (161, 78761), (287, 44183), (391, 32431), (697, 18193), (791, 16031), (943, 13447), (1921, 6601), (2599, 4879), (2737, 4633)]