2564334381

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2978321}}^1$

素因数の和:2978372

約数の個数: 16

約数和(自身を含む): 4002864768

約数和(自身を除く): 1438530387

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 2978321, 8934963, 20848247, 62544741, 122111161, 366333483, 854778127, 2564334381]

約数ペア:

[(1, 2564334381), (3, 854778127), (7, 366333483), (21, 122111161), (41, 62544741), (123, 20848247), (287, 8934963), (861, 2978321)]