638178048

素因数分解:

$2^8\times 3^3\times {\mathrm{127}}^1\times {\mathrm{727}}^1$

素因数の和:879

約数の個数: 144

約数和(自身を含む): 1904680960

約数和(自身を除く): 1266502912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 127, 128, 144, 192, 216, 254, 256, 288, 381, 384, 432, 508, 576, 727, 762, 768, 864, 1016, 1143, 1152, 1454, 1524, 1728, 2032, 2181, 2286, 2304, 2908, 3048, 3429, 3456, 4064, 4362, 4572, 5816, 6096, 6543, 6858, 6912, 8128, 8724, 9144, 11632, 12192, 13086, 13716, 16256, 17448, 18288, 19629, 23264, 24384, 26172, 27432, 32512, 34896, 36576, 39258, 46528, 48768, 52344, 54864, 69792, 73152, 78516, 92329, 93056, 97536, 104688, 109728, 139584, 146304, 157032, 184658, 186112, 209376, 219456, 276987, 279168, 292608, 314064, 369316, 418752, 438912, 553974, 558336, 628128, 738632, 830961, 837504, 877824, 1107948, 1256256, 1477264, 1661922, 1675008, 2215896, 2492883, 2512512, 2954528, 3323844, 4431792, 4985766, 5025024, 5909056, 6647688, 8863584, 9971532, 11818112, 13295376, 17727168, 19943064, 23636224, 26590752, 35454336, 39886128, 53181504, 70908672, 79772256, 106363008, 159544512, 212726016, 319089024, 638178048]

約数ペア:

[(1, 638178048), (2, 319089024), (3, 212726016), (4, 159544512), (6, 106363008), (8, 79772256), (9, 70908672), (12, 53181504), (16, 39886128), (18, 35454336), (24, 26590752), (27, 23636224), (32, 19943064), (36, 17727168), (48, 13295376), (54, 11818112), (64, 9971532), (72, 8863584), (96, 6647688), (108, 5909056), (127, 5025024), (128, 4985766), (144, 4431792), (192, 3323844), (216, 2954528), (254, 2512512), (256, 2492883), (288, 2215896), (381, 1675008), (384, 1661922), (432, 1477264), (508, 1256256), (576, 1107948), (727, 877824), (762, 837504), (768, 830961), (864, 738632), (1016, 628128), (1143, 558336), (1152, 553974), (1454, 438912), (1524, 418752), (1728, 369316), (2032, 314064), (2181, 292608), (2286, 279168), (2304, 276987), (2908, 219456), (3048, 209376), (3429, 186112), (3456, 184658), (4064, 157032), (4362, 146304), (4572, 139584), (5816, 109728), (6096, 104688), (6543, 97536), (6858, 93056), (6912, 92329), (8128, 78516), (8724, 73152), (9144, 69792), (11632, 54864), (12192, 52344), (13086, 48768), (13716, 46528), (16256, 39258), (17448, 36576), (18288, 34896), (19629, 32512), (23264, 27432), (24384, 26172)]