639378264

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{543689}}^1$

素因数の和:543712

約数の個数: 48

約数和(自身を含む): 1859419800

約数和(自身を除く): 1220041536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 543689, 1087378, 1631067, 2174756, 3262134, 3805823, 4349512, 6524268, 7611646, 11417469, 13048536, 15223292, 22834938, 26640761, 30446584, 45669876, 53281522, 79922283, 91339752, 106563044, 159844566, 213126088, 319689132, 639378264]

約数ペア:

[(1, 639378264), (2, 319689132), (3, 213126088), (4, 159844566), (6, 106563044), (7, 91339752), (8, 79922283), (12, 53281522), (14, 45669876), (21, 30446584), (24, 26640761), (28, 22834938), (42, 15223292), (49, 13048536), (56, 11417469), (84, 7611646), (98, 6524268), (147, 4349512), (168, 3805823), (196, 3262134), (294, 2174756), (392, 1631067), (588, 1087378), (1176, 543689)]