1639206868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31523209}}^1$

素因数の和:31523226

約数の個数: 12

約数和(自身を含む): 3089274580

約数和(自身を除く): 1450067712

約数列:

[1, 2, 4, 13, 26, 52, 31523209, 63046418, 126092836, 409801717, 819603434, 1639206868]

約数ペア:

[(1, 1639206868), (2, 819603434), (4, 409801717), (13, 126092836), (26, 63046418), (52, 31523209)]