81365956

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{49253}}^1$

素因数の和:49323

約数の個数: 24

約数和(自身を含む): 165493440

約数和(自身を除く): 84127484

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 49253, 98506, 197012, 344771, 689542, 1379084, 2905927, 5811854, 11623708, 20341489, 40682978, 81365956]

約数ペア:

[(1, 81365956), (2, 40682978), (4, 20341489), (7, 11623708), (14, 5811854), (28, 2905927), (59, 1379084), (118, 689542), (236, 344771), (413, 197012), (826, 98506), (1652, 49253)]