81723516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{972899}}^1$

素因数の和:972913

約数の個数: 24

約数和(自身を含む): 217929600

約数和(自身を除く): 136206084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 972899, 1945798, 2918697, 3891596, 5837394, 6810293, 11674788, 13620586, 20430879, 27241172, 40861758, 81723516]

約数ペア:

[(1, 81723516), (2, 40861758), (3, 27241172), (4, 20430879), (6, 13620586), (7, 11674788), (12, 6810293), (14, 5837394), (21, 3891596), (28, 2918697), (42, 1945798), (84, 972899)]