81275124

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{499}}^1$

素因数の和:797

約数の個数: 72

約数和(自身を含む): 221844000

約数和(自身を除く): 140568876

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 277, 294, 499, 554, 588, 831, 998, 1108, 1497, 1662, 1939, 1996, 2994, 3324, 3493, 3878, 5817, 5988, 6986, 7756, 10479, 11634, 13573, 13972, 20958, 23268, 24451, 27146, 40719, 41916, 48902, 54292, 73353, 81438, 97804, 138223, 146706, 162876, 276446, 293412, 414669, 552892, 829338, 967561, 1658676, 1935122, 2902683, 3870244, 5805366, 6772927, 11610732, 13545854, 20318781, 27091708, 40637562, 81275124]

約数ペア:

[(1, 81275124), (2, 40637562), (3, 27091708), (4, 20318781), (6, 13545854), (7, 11610732), (12, 6772927), (14, 5805366), (21, 3870244), (28, 2902683), (42, 1935122), (49, 1658676), (84, 967561), (98, 829338), (147, 552892), (196, 414669), (277, 293412), (294, 276446), (499, 162876), (554, 146706), (588, 138223), (831, 97804), (998, 81438), (1108, 73353), (1497, 54292), (1662, 48902), (1939, 41916), (1996, 40719), (2994, 27146), (3324, 24451), (3493, 23268), (3878, 20958), (5817, 13972), (5988, 13573), (6986, 11634), (7756, 10479)]