638056704

素因数分解:

$2^8\times 3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^2$

素因数の和:340

約数の個数: 108

約数和(自身を含む): 1750244496

約数和(自身を除く): 1112187792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 139, 172, 192, 256, 258, 278, 344, 384, 417, 516, 556, 688, 768, 834, 1032, 1112, 1376, 1668, 2064, 2224, 2752, 3336, 4128, 4448, 5504, 5977, 6672, 8256, 8896, 11008, 11954, 13344, 16512, 17792, 17931, 19321, 23908, 26688, 33024, 35584, 35862, 38642, 47816, 53376, 57963, 71724, 77284, 95632, 106752, 115926, 143448, 154568, 191264, 231852, 286896, 309136, 382528, 463704, 573792, 618272, 765056, 830803, 927408, 1147584, 1236544, 1530112, 1661606, 1854816, 2295168, 2473088, 2492409, 3323212, 3709632, 4590336, 4946176, 4984818, 6646424, 7419264, 9969636, 13292848, 14838528, 19939272, 26585696, 39878544, 53171392, 79757088, 106342784, 159514176, 212685568, 319028352, 638056704]

約数ペア:

[(1, 638056704), (2, 319028352), (3, 212685568), (4, 159514176), (6, 106342784), (8, 79757088), (12, 53171392), (16, 39878544), (24, 26585696), (32, 19939272), (43, 14838528), (48, 13292848), (64, 9969636), (86, 7419264), (96, 6646424), (128, 4984818), (129, 4946176), (139, 4590336), (172, 3709632), (192, 3323212), (256, 2492409), (258, 2473088), (278, 2295168), (344, 1854816), (384, 1661606), (417, 1530112), (516, 1236544), (556, 1147584), (688, 927408), (768, 830803), (834, 765056), (1032, 618272), (1112, 573792), (1376, 463704), (1668, 382528), (2064, 309136), (2224, 286896), (2752, 231852), (3336, 191264), (4128, 154568), (4448, 143448), (5504, 115926), (5977, 106752), (6672, 95632), (8256, 77284), (8896, 71724), (11008, 57963), (11954, 53376), (13344, 47816), (16512, 38642), (17792, 35862), (17931, 35584), (19321, 33024), (23908, 26688)]