81778242

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7883}}^1$

素因数の和:7927

約数の個数: 64

約数和(自身を含む): 211921920

約数和(自身を除く): 130143678

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 3458, 5187, 7883, 10374, 15766, 23649, 47298, 55181, 102479, 110362, 149777, 165543, 204958, 299554, 307437, 331086, 449331, 614874, 717353, 898662, 1048439, 1434706, 1947101, 2096878, 2152059, 3145317, 3894202, 4304118, 5841303, 6290634, 11682606, 13629707, 27259414, 40889121, 81778242]

約数ペア:

[(1, 81778242), (2, 40889121), (3, 27259414), (6, 13629707), (7, 11682606), (13, 6290634), (14, 5841303), (19, 4304118), (21, 3894202), (26, 3145317), (38, 2152059), (39, 2096878), (42, 1947101), (57, 1434706), (78, 1048439), (91, 898662), (114, 717353), (133, 614874), (182, 449331), (247, 331086), (266, 307437), (273, 299554), (399, 204958), (494, 165543), (546, 149777), (741, 110362), (798, 102479), (1482, 55181), (1729, 47298), (3458, 23649), (5187, 15766), (7883, 10374)]