671981986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{188653}}^1$

素因数の和:188805

約数の個数: 16

約数和(自身を含む): 1093438584

約数和(自身を除く): 421456598

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 188653, 377306, 2452489, 4904978, 25845461, 51690922, 335990993, 671981986]

約数ペア:

[(1, 671981986), (2, 335990993), (13, 51690922), (26, 25845461), (137, 4904978), (274, 2452489), (1781, 377306), (3562, 188653)]