320440939

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 430230528

約数和(自身を除く): 109789589

約数列:

[1, 7, 13, 17, 49, 91, 119, 127, 221, 233, 637, 833, 889, 1547, 1631, 1651, 2159, 3029, 3961, 6223, 10829, 11417, 11557, 15113, 21203, 27727, 28067, 29591, 51493, 80899, 105791, 148421, 194089, 196469, 207137, 360451, 384683, 503047, 1375283, 1449959, 2523157, 2692781, 3521329, 6539611, 18849467, 24649303, 45777277, 320440939]

約数ペア:

[(1, 320440939), (7, 45777277), (13, 24649303), (17, 18849467), (49, 6539611), (91, 3521329), (119, 2692781), (127, 2523157), (221, 1449959), (233, 1375283), (637, 503047), (833, 384683), (889, 360451), (1547, 207137), (1631, 196469), (1651, 194089), (2159, 148421), (3029, 105791), (3961, 80899), (6223, 51493), (10829, 29591), (11417, 28067), (11557, 27727), (15113, 21203)]