990897984

素因数分解:

$2^6\times 3^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:617

約数の個数: 168

約数和(自身を含む): 2966450760

約数和(自身を除く): 1975552776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 64, 72, 87, 96, 116, 137, 144, 174, 192, 232, 261, 274, 288, 348, 411, 433, 464, 522, 548, 576, 696, 822, 866, 928, 1044, 1096, 1233, 1299, 1392, 1644, 1732, 1856, 2088, 2192, 2466, 2598, 2784, 3288, 3464, 3897, 3973, 4176, 4384, 4932, 5196, 5568, 6576, 6928, 7794, 7946, 8352, 8768, 9864, 10392, 11919, 12557, 13152, 13856, 15588, 15892, 16704, 19728, 20784, 23838, 25114, 26304, 27712, 31176, 31784, 35757, 37671, 39456, 41568, 47676, 50228, 59321, 62352, 63568, 71514, 75342, 78912, 83136, 95352, 100456, 113013, 118642, 124704, 127136, 143028, 150684, 177963, 190704, 200912, 226026, 237284, 249408, 254272, 286056, 301368, 355926, 381408, 401824, 452052, 474568, 533889, 572112, 602736, 711852, 762816, 803648, 904104, 949136, 1067778, 1144224, 1205472, 1423704, 1720309, 1808208, 1898272, 2135556, 2288448, 2410944, 2847408, 3440618, 3616416, 3796544, 4271112, 5160927, 5694816, 6881236, 7232832, 8542224, 10321854, 11389632, 13762472, 15482781, 17084448, 20643708, 27524944, 30965562, 34168896, 41287416, 55049888, 61931124, 82574832, 110099776, 123862248, 165149664, 247724496, 330299328, 495448992, 990897984]

約数ペア:

[(1, 990897984), (2, 495448992), (3, 330299328), (4, 247724496), (6, 165149664), (8, 123862248), (9, 110099776), (12, 82574832), (16, 61931124), (18, 55049888), (24, 41287416), (29, 34168896), (32, 30965562), (36, 27524944), (48, 20643708), (58, 17084448), (64, 15482781), (72, 13762472), (87, 11389632), (96, 10321854), (116, 8542224), (137, 7232832), (144, 6881236), (174, 5694816), (192, 5160927), (232, 4271112), (261, 3796544), (274, 3616416), (288, 3440618), (348, 2847408), (411, 2410944), (433, 2288448), (464, 2135556), (522, 1898272), (548, 1808208), (576, 1720309), (696, 1423704), (822, 1205472), (866, 1144224), (928, 1067778), (1044, 949136), (1096, 904104), (1233, 803648), (1299, 762816), (1392, 711852), (1644, 602736), (1732, 572112), (1856, 533889), (2088, 474568), (2192, 452052), (2466, 401824), (2598, 381408), (2784, 355926), (3288, 301368), (3464, 286056), (3897, 254272), (3973, 249408), (4176, 237284), (4384, 226026), (4932, 200912), (5196, 190704), (5568, 177963), (6576, 150684), (6928, 143028), (7794, 127136), (7946, 124704), (8352, 118642), (8768, 113013), (9864, 100456), (10392, 95352), (11919, 83136), (12557, 78912), (13152, 75342), (13856, 71514), (15588, 63568), (15892, 62352), (16704, 59321), (19728, 50228), (20784, 47676), (23838, 41568), (25114, 39456), (26304, 37671), (27712, 35757), (31176, 31784)]