212680910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1636007}}^1$

素因数の和:1636027

約数の個数: 16

約数和(自身を含む): 412274016

約数和(自身を除く): 199593106

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1636007, 3272014, 8180035, 16360070, 21268091, 42536182, 106340455, 212680910]

約数ペア:

[(1, 212680910), (2, 106340455), (5, 42536182), (10, 21268091), (13, 16360070), (26, 8180035), (65, 3272014), (130, 1636007)]