643148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 1257984

約数和(自身を除く): 614836

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 311, 517, 622, 1034, 1244, 2068, 3421, 6842, 13684, 14617, 29234, 58468, 160787, 321574, 643148]

約数ペア:

[(1, 643148), (2, 321574), (4, 160787), (11, 58468), (22, 29234), (44, 14617), (47, 13684), (94, 6842), (188, 3421), (311, 2068), (517, 1244), (622, 1034)]