681631210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5243317}}^1$

素因数の和:5243337

約数の個数: 16

約数和(自身を含む): 1321316136

約数和(自身を除く): 639684926

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 5243317, 10486634, 26216585, 52433170, 68163121, 136326242, 340815605, 681631210]

約数ペア:

[(1, 681631210), (2, 340815605), (5, 136326242), (10, 68163121), (13, 52433170), (26, 26216585), (65, 10486634), (130, 5243317)]