66480865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{7699}}^1$

素因数の和:7872

約数の個数: 16

約数和(自身を含む): 87595200

約数和(自身を除く): 21114335

約数列:

[1, 5, 11, 55, 157, 785, 1727, 7699, 8635, 38495, 84689, 423445, 1208743, 6043715, 13296173, 66480865]

約数ペア:

[(1, 66480865), (5, 13296173), (11, 6043715), (55, 1208743), (157, 423445), (785, 84689), (1727, 38495), (7699, 8635)]