81550168

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23873}}^1$

素因数の和:23947

約数の個数: 32

約数和(自身を含む): 177622560

約数和(自身を除く): 96072392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 23873, 47746, 95492, 167111, 190984, 334222, 668444, 1336888, 1456253, 2912506, 5825012, 10193771, 11650024, 20387542, 40775084, 81550168]

約数ペア:

[(1, 81550168), (2, 40775084), (4, 20387542), (7, 11650024), (8, 10193771), (14, 5825012), (28, 2912506), (56, 1456253), (61, 1336888), (122, 668444), (244, 334222), (427, 190984), (488, 167111), (854, 95492), (1708, 47746), (3416, 23873)]