28704872

素因数分解:

$2^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1949}}^1$

素因数の和:2225

約数の個数: 32

約数和(自身を含む): 61776000

約数和(自身を除く): 33071128

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 263, 526, 1052, 1841, 1949, 2104, 3682, 3898, 7364, 7796, 13643, 14728, 15592, 27286, 54572, 109144, 512587, 1025174, 2050348, 3588109, 4100696, 7176218, 14352436, 28704872]

約数ペア:

[(1, 28704872), (2, 14352436), (4, 7176218), (7, 4100696), (8, 3588109), (14, 2050348), (28, 1025174), (56, 512587), (263, 109144), (526, 54572), (1052, 27286), (1841, 15592), (1949, 14728), (2104, 13643), (3682, 7796), (3898, 7364)]