290574

素因数分解:

$2^1\times 3^3\times {\mathrm{5381}}^1$

素因数の和:5392

約数の個数: 16

約数和(自身を含む): 645840

約数和(自身を除く): 355266

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 5381, 10762, 16143, 32286, 48429, 96858, 145287, 290574]

約数ペア:

[(1, 290574), (2, 145287), (3, 96858), (6, 48429), (9, 32286), (18, 16143), (27, 10762), (54, 5381)]