8640488

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{63533}}^1$

素因数の和:63556

約数の個数: 16

約数和(自身を含む): 17154180

約数和(自身を除く): 8513692

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 63533, 127066, 254132, 508264, 1080061, 2160122, 4320244, 8640488]

約数ペア:

[(1, 8640488), (2, 4320244), (4, 2160122), (8, 1080061), (17, 508264), (34, 254132), (68, 127066), (136, 63533)]