205257865

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{4451}}^1$

素因数の和:4880

約数の個数: 16

約数和(自身を含む): 257717376

約数和(自身を除く): 52459511

約数列:

[1, 5, 23, 115, 401, 2005, 4451, 9223, 22255, 46115, 102373, 511865, 1784851, 8924255, 41051573, 205257865]

約数ペア:

[(1, 205257865), (5, 41051573), (23, 8924255), (115, 1784851), (401, 511865), (2005, 102373), (4451, 46115), (9223, 22255)]