640923448

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{662111}}^1$

素因数の和:662139

約数の個数: 24

約数和(自身を含む): 1320913440

約数和(自身を除く): 679989992

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 662111, 1324222, 2648444, 5296888, 7283221, 14566442, 29132884, 58265768, 80115431, 160230862, 320461724, 640923448]

約数ペア:

[(1, 640923448), (2, 320461724), (4, 160230862), (8, 80115431), (11, 58265768), (22, 29132884), (44, 14566442), (88, 7283221), (121, 5296888), (242, 2648444), (484, 1324222), (968, 662111)]