640511898

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{13709}}^1$

素因数の和:14326

約数の個数: 32

約数和(自身を含む): 1381968000

約数和(自身を除く): 741456102

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 599, 1198, 1797, 3594, 7787, 13709, 15574, 23361, 27418, 41127, 46722, 82254, 178217, 356434, 534651, 1069302, 8211691, 16423382, 24635073, 49270146, 106751983, 213503966, 320255949, 640511898]

約数ペア:

[(1, 640511898), (2, 320255949), (3, 213503966), (6, 106751983), (13, 49270146), (26, 24635073), (39, 16423382), (78, 8211691), (599, 1069302), (1198, 534651), (1797, 356434), (3594, 178217), (7787, 82254), (13709, 46722), (15574, 41127), (23361, 27418)]