123860848

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{407437}}^1$

素因数の和:407464

約数の個数: 20

約数和(自身を含む): 252611560

約数和(自身を除く): 128750712

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 407437, 814874, 1629748, 3259496, 6518992, 7741303, 15482606, 30965212, 61930424, 123860848]

約数ペア:

[(1, 123860848), (2, 61930424), (4, 30965212), (8, 15482606), (16, 7741303), (19, 6518992), (38, 3259496), (76, 1629748), (152, 814874), (304, 407437)]