64502587121

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{21579989}}^1$

素因数の和:21580064

約数の個数: 12

約数和(自身を含む): 76263684660

約数和(自身を除く): 11761097539

約数列:

[1, 7, 49, 61, 427, 2989, 21579989, 151059923, 1057419461, 1316379329, 9214655303, 64502587121]

約数ペア:

[(1, 64502587121), (7, 9214655303), (49, 1316379329), (61, 1057419461), (427, 151059923), (2989, 21579989)]