161228564

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{140443}}^1$

素因数の和:140495

約数の個数: 24

約数和(自身を含む): 330324288

約数和(自身を除く): 169095724

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 140443, 280886, 561772, 983101, 1966202, 3932404, 5758163, 11516326, 23032652, 40307141, 80614282, 161228564]

約数ペア:

[(1, 161228564), (2, 80614282), (4, 40307141), (7, 23032652), (14, 11516326), (28, 5758163), (41, 3932404), (82, 1966202), (164, 983101), (287, 561772), (574, 280886), (1148, 140443)]