639342888

素因数分解:

$2^3\times 3^1\times {\mathrm{373}}^1\times {\mathrm{71419}}^1$

素因数の和:71801

約数の個数: 32

約数和(自身を含む): 1602664800

約数和(自身を除く): 963321912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 373, 746, 1119, 1492, 2238, 2984, 4476, 8952, 71419, 142838, 214257, 285676, 428514, 571352, 857028, 1714056, 26639287, 53278574, 79917861, 106557148, 159835722, 213114296, 319671444, 639342888]

約数ペア:

[(1, 639342888), (2, 319671444), (3, 213114296), (4, 159835722), (6, 106557148), (8, 79917861), (12, 53278574), (24, 26639287), (373, 1714056), (746, 857028), (1119, 571352), (1492, 428514), (2238, 285676), (2984, 214257), (4476, 142838), (8952, 71419)]