28040056

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 58653000

約数和(自身を除く): 30612944

約数列:

[1, 2, 4, 8, 11, 22, 44, 83, 88, 121, 166, 242, 332, 349, 484, 664, 698, 913, 968, 1396, 1826, 2792, 3652, 3839, 7304, 7678, 10043, 15356, 20086, 28967, 30712, 40172, 42229, 57934, 80344, 84458, 115868, 168916, 231736, 318637, 337832, 637274, 1274548, 2549096, 3505007, 7010014, 14020028, 28040056]

約数ペア:

[(1, 28040056), (2, 14020028), (4, 7010014), (8, 3505007), (11, 2549096), (22, 1274548), (44, 637274), (83, 337832), (88, 318637), (121, 231736), (166, 168916), (242, 115868), (332, 84458), (349, 80344), (484, 57934), (664, 42229), (698, 40172), (913, 30712), (968, 28967), (1396, 20086), (1826, 15356), (2792, 10043), (3652, 7678), (3839, 7304)]