642438814

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{23687}}^1$

素因数の和:23951

約数の個数: 16

約数和(自身を含む): 982388736

約数和(自身を除く): 339949922

約数列:

[1, 2, 71, 142, 191, 382, 13561, 23687, 27122, 47374, 1681777, 3363554, 4524217, 9048434, 321219407, 642438814]

約数ペア:

[(1, 642438814), (2, 321219407), (71, 9048434), (142, 4524217), (191, 3363554), (382, 1681777), (13561, 47374), (23687, 27122)]