999972964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{13157539}}^1$

素因数の和:13157562

約数の個数: 12

約数和(自身を含む): 1842055600

約数和(自身を除く): 842082636

約数列:

[1, 2, 4, 19, 38, 76, 13157539, 26315078, 52630156, 249993241, 499986482, 999972964]

約数ペア:

[(1, 999972964), (2, 499986482), (4, 249993241), (19, 52630156), (38, 26315078), (76, 13157539)]