28157793748

素因数分解:

$2^2\times 7^2\times {\mathrm{431}}^1\times {\mathrm{333323}}^1$

素因数の和:333772

約数の個数: 36

約数和(自身を含む): 57454391232

約数和(自身を除く): 29296597484

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 431, 862, 1724, 3017, 6034, 12068, 21119, 42238, 84476, 333323, 666646, 1333292, 2333261, 4666522, 9333044, 16332827, 32665654, 65331308, 143662213, 287324426, 574648852, 1005635491, 2011270982, 4022541964, 7039448437, 14078896874, 28157793748]

約数ペア:

[(1, 28157793748), (2, 14078896874), (4, 7039448437), (7, 4022541964), (14, 2011270982), (28, 1005635491), (49, 574648852), (98, 287324426), (196, 143662213), (431, 65331308), (862, 32665654), (1724, 16332827), (3017, 9333044), (6034, 4666522), (12068, 2333261), (21119, 1333292), (42238, 666646), (84476, 333323)]