289408564

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{313}}^1\times {\mathrm{1663}}^1$

素因数の和:2119

約数の個数: 24

約数和(自身を含む): 512046080

約数和(自身を除く): 222637516

約数列:

[1, 2, 4, 139, 278, 313, 556, 626, 1252, 1663, 3326, 6652, 43507, 87014, 174028, 231157, 462314, 520519, 924628, 1041038, 2082076, 72352141, 144704282, 289408564]

約数ペア:

[(1, 289408564), (2, 144704282), (4, 72352141), (139, 2082076), (278, 1041038), (313, 924628), (556, 520519), (626, 462314), (1252, 231157), (1663, 174028), (3326, 87014), (6652, 43507)]