81269604

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{823}}^1$

素因数の和:1057

約数の個数: 72

約数和(自身を含む): 222552512

約数和(自身を除く): 141282908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 211, 234, 422, 468, 633, 823, 844, 1266, 1646, 1899, 2469, 2532, 2743, 3292, 3798, 4938, 5486, 7407, 7596, 8229, 9876, 10699, 10972, 14814, 16458, 21398, 24687, 29628, 32097, 32916, 42796, 49374, 64194, 96291, 98748, 128388, 173653, 192582, 347306, 385164, 520959, 694612, 1041918, 1562877, 2083836, 2257489, 3125754, 4514978, 6251508, 6772467, 9029956, 13544934, 20317401, 27089868, 40634802, 81269604]

約数ペア:

[(1, 81269604), (2, 40634802), (3, 27089868), (4, 20317401), (6, 13544934), (9, 9029956), (12, 6772467), (13, 6251508), (18, 4514978), (26, 3125754), (36, 2257489), (39, 2083836), (52, 1562877), (78, 1041918), (117, 694612), (156, 520959), (211, 385164), (234, 347306), (422, 192582), (468, 173653), (633, 128388), (823, 98748), (844, 96291), (1266, 64194), (1646, 49374), (1899, 42796), (2469, 32916), (2532, 32097), (2743, 29628), (3292, 24687), (3798, 21398), (4938, 16458), (5486, 14814), (7407, 10972), (7596, 10699), (8229, 9876)]