28840686

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:393

約数の個数: 64

約数和(自身を含む): 68961792

約数和(自身を除く): 40121106

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 67, 74, 111, 134, 201, 222, 259, 277, 402, 469, 518, 554, 777, 831, 938, 1407, 1554, 1662, 1939, 2479, 2814, 3878, 4958, 5817, 7437, 10249, 11634, 14874, 17353, 18559, 20498, 30747, 34706, 37118, 52059, 55677, 61494, 71743, 104118, 111354, 129913, 143486, 215229, 259826, 389739, 430458, 686683, 779478, 1373366, 2060049, 4120098, 4806781, 9613562, 14420343, 28840686]

約数ペア:

[(1, 28840686), (2, 14420343), (3, 9613562), (6, 4806781), (7, 4120098), (14, 2060049), (21, 1373366), (37, 779478), (42, 686683), (67, 430458), (74, 389739), (111, 259826), (134, 215229), (201, 143486), (222, 129913), (259, 111354), (277, 104118), (402, 71743), (469, 61494), (518, 55677), (554, 52059), (777, 37118), (831, 34706), (938, 30747), (1407, 20498), (1554, 18559), (1662, 17353), (1939, 14874), (2479, 11634), (2814, 10249), (3878, 7437), (4958, 5817)]