81266874

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{971}}^1$

素因数の和:1055

約数の個数: 64

約数和(自身を含む): 186157440

約数和(自身を除く): 104890566

約数列:

[1, 2, 3, 6, 13, 26, 29, 37, 39, 58, 74, 78, 87, 111, 174, 222, 377, 481, 754, 962, 971, 1073, 1131, 1443, 1942, 2146, 2262, 2886, 2913, 3219, 5826, 6438, 12623, 13949, 25246, 27898, 28159, 35927, 37869, 41847, 56318, 71854, 75738, 83694, 84477, 107781, 168954, 215562, 366067, 467051, 732134, 934102, 1041883, 1098201, 1401153, 2083766, 2196402, 2802306, 3125649, 6251298, 13544479, 27088958, 40633437, 81266874]

約数ペア:

[(1, 81266874), (2, 40633437), (3, 27088958), (6, 13544479), (13, 6251298), (26, 3125649), (29, 2802306), (37, 2196402), (39, 2083766), (58, 1401153), (74, 1098201), (78, 1041883), (87, 934102), (111, 732134), (174, 467051), (222, 366067), (377, 215562), (481, 168954), (754, 107781), (962, 84477), (971, 83694), (1073, 75738), (1131, 71854), (1443, 56318), (1942, 41847), (2146, 37869), (2262, 35927), (2886, 28159), (2913, 27898), (3219, 25246), (5826, 13949), (6438, 12623)]