208156910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1601207}}^1$

素因数の和:1601227

約数の個数: 16

約数和(自身を含む): 403504416

約数和(自身を除く): 195347506

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1601207, 3202414, 8006035, 16012070, 20815691, 41631382, 104078455, 208156910]

約数ペア:

[(1, 208156910), (2, 104078455), (5, 41631382), (10, 20815691), (13, 16012070), (26, 8006035), (65, 3202414), (130, 1601207)]