2907217664

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2070

約数の個数: 144

約数和(自身を含む): 6867840000

約数和(自身を除く): 3960622336

約数列:

[1, 2, 4, 8, 13, 16, 19, 23, 26, 32, 38, 46, 52, 64, 76, 92, 104, 128, 152, 184, 208, 247, 256, 299, 304, 368, 416, 437, 494, 598, 608, 736, 832, 874, 988, 1196, 1216, 1472, 1664, 1748, 1976, 1999, 2392, 2432, 2944, 3328, 3496, 3952, 3998, 4784, 4864, 5681, 5888, 6992, 7904, 7996, 9568, 11362, 13984, 15808, 15992, 19136, 22724, 25987, 27968, 31616, 31984, 37981, 38272, 45448, 45977, 51974, 55936, 63232, 63968, 75962, 76544, 90896, 91954, 103948, 111872, 127936, 151924, 181792, 183908, 207896, 255872, 303848, 363584, 367816, 415792, 493753, 511744, 597701, 607696, 727168, 735632, 831584, 873563, 987506, 1195402, 1215392, 1454336, 1471264, 1663168, 1747126, 1975012, 2390804, 2430784, 2942528, 3326336, 3494252, 3950024, 4781608, 4861568, 5885056, 6652672, 6988504, 7900048, 9563216, 9723136, 11356319, 11770112, 13977008, 15800096, 19126432, 22712638, 27954016, 31600192, 38252864, 45425276, 55908032, 63200384, 76505728, 90850552, 111816064, 126400768, 153011456, 181701104, 223632128, 363402208, 726804416, 1453608832, 2907217664]

約数ペア:

[(1, 2907217664), (2, 1453608832), (4, 726804416), (8, 363402208), (13, 223632128), (16, 181701104), (19, 153011456), (23, 126400768), (26, 111816064), (32, 90850552), (38, 76505728), (46, 63200384), (52, 55908032), (64, 45425276), (76, 38252864), (92, 31600192), (104, 27954016), (128, 22712638), (152, 19126432), (184, 15800096), (208, 13977008), (247, 11770112), (256, 11356319), (299, 9723136), (304, 9563216), (368, 7900048), (416, 6988504), (437, 6652672), (494, 5885056), (598, 4861568), (608, 4781608), (736, 3950024), (832, 3494252), (874, 3326336), (988, 2942528), (1196, 2430784), (1216, 2390804), (1472, 1975012), (1664, 1747126), (1748, 1663168), (1976, 1471264), (1999, 1454336), (2392, 1215392), (2432, 1195402), (2944, 987506), (3328, 873563), (3496, 831584), (3952, 735632), (3998, 727168), (4784, 607696), (4864, 597701), (5681, 511744), (5888, 493753), (6992, 415792), (7904, 367816), (7996, 363584), (9568, 303848), (11362, 255872), (13984, 207896), (15808, 183908), (15992, 181792), (19136, 151924), (22724, 127936), (25987, 111872), (27968, 103948), (31616, 91954), (31984, 90896), (37981, 76544), (38272, 75962), (45448, 63968), (45977, 63232), (51974, 55936)]