388431394

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{7057}}^1$

素因数の和:7174

約数の個数: 32

約数和(自身を含む): 658087920

約数和(自身を除く): 269656526

約数列:

[1, 2, 13, 26, 29, 58, 73, 146, 377, 754, 949, 1898, 2117, 4234, 7057, 14114, 27521, 55042, 91741, 183482, 204653, 409306, 515161, 1030322, 2660489, 5320978, 6697093, 13394186, 14939669, 29879338, 194215697, 388431394]

約数ペア:

[(1, 388431394), (2, 194215697), (13, 29879338), (26, 14939669), (29, 13394186), (58, 6697093), (73, 5320978), (146, 2660489), (377, 1030322), (754, 515161), (949, 409306), (1898, 204653), (2117, 183482), (4234, 91741), (7057, 55042), (14114, 27521)]