81279128

素因数分解:

$2^3\times 7^1\times {\mathrm{937}}^1\times {\mathrm{1549}}^1$

素因数の和:2499

約数の個数: 32

約数和(自身を含む): 174468000

約数和(自身を除く): 93188872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 937, 1549, 1874, 3098, 3748, 6196, 6559, 7496, 10843, 12392, 13118, 21686, 26236, 43372, 52472, 86744, 1451413, 2902826, 5805652, 10159891, 11611304, 20319782, 40639564, 81279128]

約数ペア:

[(1, 81279128), (2, 40639564), (4, 20319782), (7, 11611304), (8, 10159891), (14, 5805652), (28, 2902826), (56, 1451413), (937, 86744), (1549, 52472), (1874, 43372), (3098, 26236), (3748, 21686), (6196, 13118), (6559, 12392), (7496, 10843)]