215123870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1654799}}^1$

素因数の和:1654819

約数の個数: 16

約数和(自身を含む): 417009600

約数和(自身を除く): 201885730

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1654799, 3309598, 8273995, 16547990, 21512387, 43024774, 107561935, 215123870]

約数ペア:

[(1, 215123870), (2, 107561935), (5, 43024774), (10, 21512387), (13, 16547990), (26, 8273995), (65, 3309598), (130, 1654799)]