205259945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1907}}^1$

素因数の和:2045

約数の個数: 32

約数和(自身を含む): 285742080

約数和(自身を除く): 80482135

約数列:

[1, 5, 11, 19, 55, 95, 103, 209, 515, 1045, 1133, 1907, 1957, 5665, 9535, 9785, 20977, 21527, 36233, 104885, 107635, 181165, 196421, 398563, 982105, 1992815, 2160631, 3731999, 10803155, 18659995, 41051989, 205259945]

約数ペア:

[(1, 205259945), (5, 41051989), (11, 18659995), (19, 10803155), (55, 3731999), (95, 2160631), (103, 1992815), (209, 982105), (515, 398563), (1045, 196421), (1133, 181165), (1907, 107635), (1957, 104885), (5665, 36233), (9535, 21527), (9785, 20977)]