22281281

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 26627328

約数和(自身を除く): 4346047

約数列:

[1, 11, 19, 31, 181, 209, 341, 361, 589, 1991, 3439, 3971, 5611, 6479, 11191, 37829, 61721, 65341, 106609, 123101, 718751, 1172699, 2025571, 22281281]

約数ペア:

[(1, 22281281), (11, 2025571), (19, 1172699), (31, 718751), (181, 123101), (209, 106609), (341, 65341), (361, 61721), (589, 37829), (1991, 11191), (3439, 6479), (3971, 5611)]