220164343

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 273968640

約数和(自身を除く): 53804297

約数列:

[1, 7, 19, 43, 133, 137, 281, 301, 817, 959, 1967, 2603, 5339, 5719, 5891, 12083, 18221, 37373, 38497, 41237, 84581, 111929, 229577, 269479, 731443, 783503, 1607039, 1655371, 5120101, 11587597, 31452049, 220164343]

約数ペア:

[(1, 220164343), (7, 31452049), (19, 11587597), (43, 5120101), (133, 1655371), (137, 1607039), (281, 783503), (301, 731443), (817, 269479), (959, 229577), (1967, 111929), (2603, 84581), (5339, 41237), (5719, 38497), (5891, 37373), (12083, 18221)]