131788028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{7639}}^1$

素因数の和:7889

約数の個数: 24

約数和(自身を含む): 243868800

約数和(自身を除く): 112080772

約数列:

[1, 2, 4, 19, 38, 76, 227, 454, 908, 4313, 7639, 8626, 15278, 17252, 30556, 145141, 290282, 580564, 1734053, 3468106, 6936212, 32947007, 65894014, 131788028]

約数ペア:

[(1, 131788028), (2, 65894014), (4, 32947007), (19, 6936212), (38, 3468106), (76, 1734053), (227, 580564), (454, 290282), (908, 145141), (4313, 30556), (7639, 17252), (8626, 15278)]