628631423

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{239}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 823633920

約数和(自身を除く): 195002497

約数列:

[1, 7, 17, 23, 31, 119, 161, 217, 239, 391, 527, 713, 961, 1673, 2737, 3689, 4063, 4991, 5497, 6727, 7409, 12121, 16337, 22103, 28441, 38479, 51863, 84847, 93449, 114359, 125953, 154721, 170407, 229679, 375751, 654143, 881671, 1192849, 1607753, 2630257, 2896919, 3904543, 5282617, 20278433, 27331801, 36978319, 89804489, 628631423]

約数ペア:

[(1, 628631423), (7, 89804489), (17, 36978319), (23, 27331801), (31, 20278433), (119, 5282617), (161, 3904543), (217, 2896919), (239, 2630257), (391, 1607753), (527, 1192849), (713, 881671), (961, 654143), (1673, 375751), (2737, 229679), (3689, 170407), (4063, 154721), (4991, 125953), (5497, 114359), (6727, 93449), (7409, 84847), (12121, 51863), (16337, 38479), (22103, 28441)]