1213305084

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{479}}^1\times {\mathrm{991}}^1$

素因数の和:1551

約数の個数: 72

約数和(自身を含む): 3119800320

約数和(自身を除く): 1906495236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 479, 639, 852, 958, 991, 1278, 1437, 1916, 1982, 2556, 2874, 2973, 3964, 4311, 5748, 5946, 8622, 8919, 11892, 17244, 17838, 34009, 35676, 68018, 70361, 102027, 136036, 140722, 204054, 211083, 281444, 306081, 408108, 422166, 474689, 612162, 633249, 844332, 949378, 1224324, 1266498, 1424067, 1898756, 2532996, 2848134, 4272201, 5696268, 8544402, 17088804, 33702919, 67405838, 101108757, 134811676, 202217514, 303326271, 404435028, 606652542, 1213305084]

約数ペア:

[(1, 1213305084), (2, 606652542), (3, 404435028), (4, 303326271), (6, 202217514), (9, 134811676), (12, 101108757), (18, 67405838), (36, 33702919), (71, 17088804), (142, 8544402), (213, 5696268), (284, 4272201), (426, 2848134), (479, 2532996), (639, 1898756), (852, 1424067), (958, 1266498), (991, 1224324), (1278, 949378), (1437, 844332), (1916, 633249), (1982, 612162), (2556, 474689), (2874, 422166), (2973, 408108), (3964, 306081), (4311, 281444), (5748, 211083), (5946, 204054), (8622, 140722), (8919, 136036), (11892, 102027), (17244, 70361), (17838, 68018), (34009, 35676)]