648133670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{19961}}^1$

素因数の和:20176

約数の個数: 32

約数和(自身を含む): 1241796096

約数和(自身を除く): 593662426

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 191, 382, 955, 1910, 3247, 6494, 16235, 19961, 32470, 39922, 99805, 199610, 339337, 678674, 1696685, 3393370, 3812551, 7625102, 19062755, 38125510, 64813367, 129626734, 324066835, 648133670]

約数ペア:

[(1, 648133670), (2, 324066835), (5, 129626734), (10, 64813367), (17, 38125510), (34, 19062755), (85, 7625102), (170, 3812551), (191, 3393370), (382, 1696685), (955, 678674), (1910, 339337), (3247, 199610), (6494, 99805), (16235, 39922), (19961, 32470)]