664459838

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{8609}}^1$

素因数の和:8804

約数の個数: 32

約数和(自身を含む): 1177848000

約数和(自身を除く): 513388162

約数列:

[1, 2, 7, 14, 37, 74, 149, 259, 298, 518, 1043, 2086, 5513, 8609, 11026, 17218, 38591, 60263, 77182, 120526, 318533, 637066, 1282741, 2229731, 2565482, 4459462, 8979187, 17958374, 47461417, 94922834, 332229919, 664459838]

約数ペア:

[(1, 664459838), (2, 332229919), (7, 94922834), (14, 47461417), (37, 17958374), (74, 8979187), (149, 4459462), (259, 2565482), (298, 2229731), (518, 1282741), (1043, 637066), (2086, 318533), (5513, 120526), (8609, 77182), (11026, 60263), (17218, 38591)]