206563990

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{103801}}^1$

素因数の和:104007

約数の個数: 16

約数和(自身を含む): 373687200

約数和(自身を除く): 167123210

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 103801, 207602, 519005, 1038010, 20656399, 41312798, 103281995, 206563990]

約数ペア:

[(1, 206563990), (2, 103281995), (5, 41312798), (10, 20656399), (199, 1038010), (398, 519005), (995, 207602), (1990, 103801)]