81948342

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{27481}}^1$

素因数の和:27564

約数の個数: 32

約数和(自身を含む): 189955584

約数和(自身を除く): 108007242

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 27481, 54962, 82443, 164886, 192367, 384734, 577101, 1154202, 1951151, 3902302, 5853453, 11706906, 13658057, 27316114, 40974171, 81948342]

約数ペア:

[(1, 81948342), (2, 40974171), (3, 27316114), (6, 13658057), (7, 11706906), (14, 5853453), (21, 3902302), (42, 1951151), (71, 1154202), (142, 577101), (213, 384734), (426, 192367), (497, 164886), (994, 82443), (1491, 54962), (2982, 27481)]