220193935

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 291191040

約数和(自身を除く): 70997105

約数列:

[1, 5, 13, 65, 79, 137, 313, 395, 685, 1027, 1565, 1781, 4069, 5135, 8905, 10823, 20345, 24727, 42881, 54115, 123635, 140699, 214405, 321451, 557453, 703495, 1607255, 2787265, 3387599, 16937995, 44038787, 220193935]

約数ペア:

[(1, 220193935), (5, 44038787), (13, 16937995), (65, 3387599), (79, 2787265), (137, 1607255), (313, 703495), (395, 557453), (685, 321451), (1027, 214405), (1565, 140699), (1781, 123635), (4069, 54115), (5135, 42881), (8905, 24727), (10823, 20345)]