247485784

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5573}}^1$

素因数の和:5660

約数の個数: 64

約数和(自身を含む): 580587840

約数和(自身を除く): 333102056

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 61, 91, 104, 122, 182, 244, 364, 427, 488, 728, 793, 854, 1586, 1708, 3172, 3416, 5551, 5573, 6344, 11102, 11146, 22204, 22292, 39011, 44408, 44584, 72449, 78022, 144898, 156044, 289796, 312088, 339953, 507143, 579592, 679906, 1014286, 1359812, 2028572, 2379671, 2719624, 4057144, 4419389, 4759342, 8838778, 9518684, 17677556, 19037368, 30935723, 35355112, 61871446, 123742892, 247485784]

約数ペア:

[(1, 247485784), (2, 123742892), (4, 61871446), (7, 35355112), (8, 30935723), (13, 19037368), (14, 17677556), (26, 9518684), (28, 8838778), (52, 4759342), (56, 4419389), (61, 4057144), (91, 2719624), (104, 2379671), (122, 2028572), (182, 1359812), (244, 1014286), (364, 679906), (427, 579592), (488, 507143), (728, 339953), (793, 312088), (854, 289796), (1586, 156044), (1708, 144898), (3172, 78022), (3416, 72449), (5551, 44584), (5573, 44408), (6344, 39011), (11102, 22292), (11146, 22204)]