1249807888

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2153}}^1$

素因数の和:2312

約数の個数: 80

約数和(自身を含む): 2846174976

約数和(自身を除く): 1596367088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 73, 112, 142, 146, 284, 292, 497, 511, 568, 584, 994, 1022, 1136, 1168, 1988, 2044, 2153, 3976, 4088, 4306, 5183, 7952, 8176, 8612, 10366, 15071, 17224, 20732, 30142, 34448, 36281, 41464, 60284, 72562, 82928, 120568, 145124, 152863, 157169, 241136, 290248, 305726, 314338, 580496, 611452, 628676, 1070041, 1100183, 1222904, 1257352, 2140082, 2200366, 2445808, 2514704, 4280164, 4400732, 8560328, 8801464, 11158999, 17120656, 17602928, 22317998, 44635996, 78112993, 89271992, 156225986, 178543984, 312451972, 624903944, 1249807888]

約数ペア:

[(1, 1249807888), (2, 624903944), (4, 312451972), (7, 178543984), (8, 156225986), (14, 89271992), (16, 78112993), (28, 44635996), (56, 22317998), (71, 17602928), (73, 17120656), (112, 11158999), (142, 8801464), (146, 8560328), (284, 4400732), (292, 4280164), (497, 2514704), (511, 2445808), (568, 2200366), (584, 2140082), (994, 1257352), (1022, 1222904), (1136, 1100183), (1168, 1070041), (1988, 628676), (2044, 611452), (2153, 580496), (3976, 314338), (4088, 305726), (4306, 290248), (5183, 241136), (7952, 157169), (8176, 152863), (8612, 145124), (10366, 120568), (15071, 82928), (17224, 72562), (20732, 60284), (30142, 41464), (34448, 36281)]