251745858

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8089}}^1$

素因数の和:8136

約数の個数: 96

約数和(自身を含む): 706742400

約数和(自身を除く): 454996542

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 38, 39, 42, 57, 63, 78, 91, 114, 117, 126, 133, 171, 182, 234, 247, 266, 273, 342, 399, 494, 546, 741, 798, 819, 1197, 1482, 1638, 1729, 2223, 2394, 3458, 4446, 5187, 8089, 10374, 15561, 16178, 24267, 31122, 48534, 56623, 72801, 105157, 113246, 145602, 153691, 169869, 210314, 307382, 315471, 339738, 461073, 509607, 630942, 736099, 922146, 946413, 1019214, 1075837, 1383219, 1472198, 1892826, 1997983, 2151674, 2208297, 2766438, 3227511, 3995966, 4416594, 5993949, 6455022, 6624891, 9682533, 11987898, 13249782, 13985881, 17981847, 19365066, 27971762, 35963694, 41957643, 83915286, 125872929, 251745858]

約数ペア:

[(1, 251745858), (2, 125872929), (3, 83915286), (6, 41957643), (7, 35963694), (9, 27971762), (13, 19365066), (14, 17981847), (18, 13985881), (19, 13249782), (21, 11987898), (26, 9682533), (38, 6624891), (39, 6455022), (42, 5993949), (57, 4416594), (63, 3995966), (78, 3227511), (91, 2766438), (114, 2208297), (117, 2151674), (126, 1997983), (133, 1892826), (171, 1472198), (182, 1383219), (234, 1075837), (247, 1019214), (266, 946413), (273, 922146), (342, 736099), (399, 630942), (494, 509607), (546, 461073), (741, 339738), (798, 315471), (819, 307382), (1197, 210314), (1482, 169869), (1638, 153691), (1729, 145602), (2223, 113246), (2394, 105157), (3458, 72801), (4446, 56623), (5187, 48534), (8089, 31122), (10374, 24267), (15561, 16178)]