128577878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{971}}^1$

素因数の和:1460

約数の個数: 32

約数和(自身を含む): 227308032

約数和(自身を除く): 98730154

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 463, 926, 971, 1942, 5093, 6019, 10186, 10681, 12038, 12623, 21362, 25246, 66209, 132418, 138853, 277706, 449573, 899146, 4945303, 5844449, 9890606, 11688898, 64288939, 128577878]

約数ペア:

[(1, 128577878), (2, 64288939), (11, 11688898), (13, 9890606), (22, 5844449), (26, 4945303), (143, 899146), (286, 449573), (463, 277706), (926, 138853), (971, 132418), (1942, 66209), (5093, 25246), (6019, 21362), (10186, 12623), (10681, 12038)]