81662774

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 130051200

約数和(自身を除く): 48388426

約数列:

[1, 2, 37, 61, 74, 79, 122, 158, 229, 458, 2257, 2923, 4514, 4819, 5846, 8473, 9638, 13969, 16946, 18091, 27938, 36182, 178303, 356606, 516853, 669367, 1033706, 1103551, 1338734, 2207102, 40831387, 81662774]

約数ペア:

[(1, 81662774), (2, 40831387), (37, 2207102), (61, 1338734), (74, 1103551), (79, 1033706), (122, 669367), (158, 516853), (229, 356606), (458, 178303), (2257, 36182), (2923, 27938), (4514, 18091), (4819, 16946), (5846, 13969), (8473, 9638)]