638045105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1\times {\mathrm{7529}}^1$

素因数の和:8548

約数の個数: 16

約数和(自身を含む): 811613520

約数和(自身を除く): 173568415

約数列:

[1, 5, 17, 85, 997, 4985, 7529, 16949, 37645, 84745, 127993, 639965, 7506413, 37532065, 127609021, 638045105]

約数ペア:

[(1, 638045105), (5, 127609021), (17, 37532065), (85, 7506413), (997, 639965), (4985, 127993), (7529, 84745), (16949, 37645)]