638123136

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5051}}^1$

素因数の和:5122

約数の個数: 128

約数和(自身を含む): 1978767360

約数和(自身を除く): 1340644224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 47, 48, 56, 64, 84, 94, 96, 112, 128, 141, 168, 188, 192, 224, 282, 329, 336, 376, 384, 448, 564, 658, 672, 752, 896, 987, 1128, 1316, 1344, 1504, 1974, 2256, 2632, 2688, 3008, 3948, 4512, 5051, 5264, 6016, 7896, 9024, 10102, 10528, 15153, 15792, 18048, 20204, 21056, 30306, 31584, 35357, 40408, 42112, 60612, 63168, 70714, 80816, 106071, 121224, 126336, 141428, 161632, 212142, 237397, 242448, 282856, 323264, 424284, 474794, 484896, 565712, 646528, 712191, 848568, 949588, 969792, 1131424, 1424382, 1661779, 1697136, 1899176, 1939584, 2262848, 2848764, 3323558, 3394272, 3798352, 4525696, 4985337, 5697528, 6647116, 6788544, 7596704, 9970674, 11395056, 13294232, 13577088, 15193408, 19941348, 22790112, 26588464, 30386816, 39882696, 45580224, 53176928, 79765392, 91160448, 106353856, 159530784, 212707712, 319061568, 638123136]

約数ペア:

[(1, 638123136), (2, 319061568), (3, 212707712), (4, 159530784), (6, 106353856), (7, 91160448), (8, 79765392), (12, 53176928), (14, 45580224), (16, 39882696), (21, 30386816), (24, 26588464), (28, 22790112), (32, 19941348), (42, 15193408), (47, 13577088), (48, 13294232), (56, 11395056), (64, 9970674), (84, 7596704), (94, 6788544), (96, 6647116), (112, 5697528), (128, 4985337), (141, 4525696), (168, 3798352), (188, 3394272), (192, 3323558), (224, 2848764), (282, 2262848), (329, 1939584), (336, 1899176), (376, 1697136), (384, 1661779), (448, 1424382), (564, 1131424), (658, 969792), (672, 949588), (752, 848568), (896, 712191), (987, 646528), (1128, 565712), (1316, 484896), (1344, 474794), (1504, 424284), (1974, 323264), (2256, 282856), (2632, 242448), (2688, 237397), (3008, 212142), (3948, 161632), (4512, 141428), (5051, 126336), (5264, 121224), (6016, 106071), (7896, 80816), (9024, 70714), (10102, 63168), (10528, 60612), (15153, 42112), (15792, 40408), (18048, 35357), (20204, 31584), (21056, 30306)]