81485264

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11927}}^1$

素因数の和:12003

約数の個数: 40

約数和(自身を含む): 183404928

約数和(自身を除く): 101919664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3416, 6832, 11927, 23854, 47708, 83489, 95416, 166978, 190832, 333956, 667912, 727547, 1335824, 1455094, 2910188, 5092829, 5820376, 10185658, 11640752, 20371316, 40742632, 81485264]

約数ペア:

[(1, 81485264), (2, 40742632), (4, 20371316), (7, 11640752), (8, 10185658), (14, 5820376), (16, 5092829), (28, 2910188), (56, 1455094), (61, 1335824), (112, 727547), (122, 667912), (244, 333956), (427, 190832), (488, 166978), (854, 95416), (976, 83489), (1708, 47708), (3416, 23854), (6832, 11927)]