1981930874

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 3993698304

約数和(自身を除く): 2011767430

約数列:

[1, 2, 7, 11, 14, 22, 31, 47, 62, 73, 77, 94, 121, 146, 154, 217, 242, 329, 341, 434, 511, 517, 658, 682, 803, 847, 1022, 1034, 1331, 1457, 1606, 1694, 2263, 2387, 2662, 2914, 3431, 3619, 3751, 4526, 4774, 5621, 5687, 6862, 7238, 7502, 8833, 9317, 10199, 11242, 11374, 15841, 16027, 17666, 18634, 20398, 24017, 24893, 26257, 31682, 32054, 37741, 39809, 41261, 48034, 49786, 52514, 61831, 62557, 75482, 79618, 82522, 97163, 106361, 112189, 123662, 125114, 174251, 176297, 194326, 212722, 224378, 264187, 273823, 288827, 348502, 352594, 415151, 437899, 528374, 547646, 577654, 680141, 744527, 830302, 875798, 1169971, 1234079, 1360282, 1489054, 1916761, 1939267, 2339942, 2468158, 2906057, 3012053, 3833522, 3878534, 4566661, 5812114, 6024106, 8189797, 9133322, 12869681, 13574869, 16379594, 21084371, 25739362, 27149738, 31966627, 42168742, 63933254, 90087767, 141566491, 180175534, 283132982, 990965437, 1981930874]

約数ペア:

[(1, 1981930874), (2, 990965437), (7, 283132982), (11, 180175534), (14, 141566491), (22, 90087767), (31, 63933254), (47, 42168742), (62, 31966627), (73, 27149738), (77, 25739362), (94, 21084371), (121, 16379594), (146, 13574869), (154, 12869681), (217, 9133322), (242, 8189797), (329, 6024106), (341, 5812114), (434, 4566661), (511, 3878534), (517, 3833522), (658, 3012053), (682, 2906057), (803, 2468158), (847, 2339942), (1022, 1939267), (1034, 1916761), (1331, 1489054), (1457, 1360282), (1606, 1234079), (1694, 1169971), (2263, 875798), (2387, 830302), (2662, 744527), (2914, 680141), (3431, 577654), (3619, 547646), (3751, 528374), (4526, 437899), (4774, 415151), (5621, 352594), (5687, 348502), (6862, 288827), (7238, 273823), (7502, 264187), (8833, 224378), (9317, 212722), (10199, 194326), (11242, 176297), (11374, 174251), (15841, 125114), (16027, 123662), (17666, 112189), (18634, 106361), (20398, 97163), (24017, 82522), (24893, 79618), (26257, 75482), (31682, 62557), (32054, 61831), (37741, 52514), (39809, 49786), (41261, 48034)]