797678990

素因数分解:

$2^1\times 5^1\times {\mathrm{6491}}^1\times {\mathrm{12289}}^1$

素因数の和:18787

約数の個数: 16

約数和(自身を含む): 1436160240

約数和(自身を除く): 638481250

約数列:

[1, 2, 5, 10, 6491, 12289, 12982, 24578, 32455, 61445, 64910, 122890, 79767899, 159535798, 398839495, 797678990]

約数ペア:

[(1, 797678990), (2, 398839495), (5, 159535798), (10, 79767899), (6491, 122890), (12289, 64910), (12982, 61445), (24578, 32455)]