9129890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 20901888

約数和(自身を除く): 11771998

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 71, 77, 110, 142, 154, 167, 334, 355, 385, 497, 710, 770, 781, 835, 994, 1169, 1562, 1670, 1837, 2338, 2485, 3674, 3905, 4970, 5467, 5845, 7810, 9185, 10934, 11690, 11857, 12859, 18370, 23714, 25718, 27335, 54670, 59285, 64295, 82999, 118570, 128590, 130427, 165998, 260854, 414995, 652135, 829990, 912989, 1304270, 1825978, 4564945, 9129890]

約数ペア:

[(1, 9129890), (2, 4564945), (5, 1825978), (7, 1304270), (10, 912989), (11, 829990), (14, 652135), (22, 414995), (35, 260854), (55, 165998), (70, 130427), (71, 128590), (77, 118570), (110, 82999), (142, 64295), (154, 59285), (167, 54670), (334, 27335), (355, 25718), (385, 23714), (497, 18370), (710, 12859), (770, 11857), (781, 11690), (835, 10934), (994, 9185), (1169, 7810), (1562, 5845), (1670, 5467), (1837, 4970), (2338, 3905), (2485, 3674)]