81854892

素因数分解:

$2^2\times 3^2\times 7^4\times {\mathrm{947}}^1$

素因数の和:985

約数の個数: 90

約数和(自身を含む): 241636668

約数和(自身を除く): 159781776

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 947, 1029, 1372, 1764, 1894, 2058, 2401, 2841, 3087, 3788, 4116, 4802, 5682, 6174, 6629, 7203, 8523, 9604, 11364, 12348, 13258, 14406, 17046, 19887, 21609, 26516, 28812, 34092, 39774, 43218, 46403, 59661, 79548, 86436, 92806, 119322, 139209, 185612, 238644, 278418, 324821, 417627, 556836, 649642, 835254, 974463, 1299284, 1670508, 1948926, 2273747, 2923389, 3897852, 4547494, 5846778, 6821241, 9094988, 11693556, 13642482, 20463723, 27284964, 40927446, 81854892]

約数ペア:

[(1, 81854892), (2, 40927446), (3, 27284964), (4, 20463723), (6, 13642482), (7, 11693556), (9, 9094988), (12, 6821241), (14, 5846778), (18, 4547494), (21, 3897852), (28, 2923389), (36, 2273747), (42, 1948926), (49, 1670508), (63, 1299284), (84, 974463), (98, 835254), (126, 649642), (147, 556836), (196, 417627), (252, 324821), (294, 278418), (343, 238644), (441, 185612), (588, 139209), (686, 119322), (882, 92806), (947, 86436), (1029, 79548), (1372, 59661), (1764, 46403), (1894, 43218), (2058, 39774), (2401, 34092), (2841, 28812), (3087, 26516), (3788, 21609), (4116, 19887), (4802, 17046), (5682, 14406), (6174, 13258), (6629, 12348), (7203, 11364), (8523, 9604)]