81182052

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1163}}^1$

素因数の和:1457

約数の個数: 72

約数和(自身を含む): 235574976

約数和(自身を除く): 154392924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 277, 554, 831, 1108, 1163, 1662, 1939, 2326, 2493, 3324, 3489, 3878, 4652, 4986, 5817, 6978, 7756, 8141, 9972, 10467, 11634, 13956, 16282, 17451, 20934, 23268, 24423, 32564, 34902, 41868, 48846, 69804, 73269, 97692, 146538, 293076, 322151, 644302, 966453, 1288604, 1932906, 2255057, 2899359, 3865812, 4510114, 5798718, 6765171, 9020228, 11597436, 13530342, 20295513, 27060684, 40591026, 81182052]

約数ペア:

[(1, 81182052), (2, 40591026), (3, 27060684), (4, 20295513), (6, 13530342), (7, 11597436), (9, 9020228), (12, 6765171), (14, 5798718), (18, 4510114), (21, 3865812), (28, 2899359), (36, 2255057), (42, 1932906), (63, 1288604), (84, 966453), (126, 644302), (252, 322151), (277, 293076), (554, 146538), (831, 97692), (1108, 73269), (1163, 69804), (1662, 48846), (1939, 41868), (2326, 34902), (2493, 32564), (3324, 24423), (3489, 23268), (3878, 20934), (4652, 17451), (4986, 16282), (5817, 13956), (6978, 11634), (7756, 10467), (8141, 9972)]