207655856

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{499}}^1\times {\mathrm{839}}^1$

素因数の和:1377

約数の個数: 40

約数和(自身を含む): 416640000

約数和(自身を除く): 208984144

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 499, 839, 998, 1678, 1996, 3356, 3992, 6712, 7984, 13424, 15469, 26009, 30938, 52018, 61876, 104036, 123752, 208072, 247504, 416144, 418661, 837322, 1674644, 3349288, 6698576, 12978491, 25956982, 51913964, 103827928, 207655856]

約数ペア:

[(1, 207655856), (2, 103827928), (4, 51913964), (8, 25956982), (16, 12978491), (31, 6698576), (62, 3349288), (124, 1674644), (248, 837322), (496, 418661), (499, 416144), (839, 247504), (998, 208072), (1678, 123752), (1996, 104036), (3356, 61876), (3992, 52018), (6712, 30938), (7984, 26009), (13424, 15469)]