28211172

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{213721}}^1$

素因数の和:213739

約数の個数: 24

約数和(自身を含む): 71810592

約数和(自身を除く): 43599420

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 213721, 427442, 641163, 854884, 1282326, 2350931, 2564652, 4701862, 7052793, 9403724, 14105586, 28211172]

約数ペア:

[(1, 28211172), (2, 14105586), (3, 9403724), (4, 7052793), (6, 4701862), (11, 2564652), (12, 2350931), (22, 1282326), (33, 854884), (44, 641163), (66, 427442), (132, 213721)]