388648448

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:327

約数の個数: 80

約数和(自身を含む): 806615040

約数和(自身を除く): 417966592

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 127, 128, 139, 172, 254, 256, 278, 344, 508, 512, 556, 688, 1016, 1112, 1376, 2032, 2224, 2752, 4064, 4448, 5461, 5504, 5977, 8128, 8896, 10922, 11008, 11954, 16256, 17653, 17792, 21844, 22016, 23908, 32512, 35306, 35584, 43688, 47816, 65024, 70612, 71168, 87376, 95632, 141224, 174752, 191264, 282448, 349504, 382528, 564896, 699008, 759079, 765056, 1129792, 1398016, 1518158, 1530112, 2259584, 2796032, 3036316, 3060224, 4519168, 6072632, 9038336, 12145264, 24290528, 48581056, 97162112, 194324224, 388648448]

約数ペア:

[(1, 388648448), (2, 194324224), (4, 97162112), (8, 48581056), (16, 24290528), (32, 12145264), (43, 9038336), (64, 6072632), (86, 4519168), (127, 3060224), (128, 3036316), (139, 2796032), (172, 2259584), (254, 1530112), (256, 1518158), (278, 1398016), (344, 1129792), (508, 765056), (512, 759079), (556, 699008), (688, 564896), (1016, 382528), (1112, 349504), (1376, 282448), (2032, 191264), (2224, 174752), (2752, 141224), (4064, 95632), (4448, 87376), (5461, 71168), (5504, 70612), (5977, 65024), (8128, 47816), (8896, 43688), (10922, 35584), (11008, 35306), (11954, 32512), (16256, 23908), (17653, 22016), (17792, 21844)]