28601972

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1931}}^1$

素因数の和:1988

約数の個数: 36

約数和(自身を含む): 59830176

約数和(自身を除く): 31228204

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 529, 644, 1058, 1931, 2116, 3703, 3862, 7406, 7724, 13517, 14812, 27034, 44413, 54068, 88826, 177652, 310891, 621782, 1021499, 1243564, 2042998, 4085996, 7150493, 14300986, 28601972]

約数ペア:

[(1, 28601972), (2, 14300986), (4, 7150493), (7, 4085996), (14, 2042998), (23, 1243564), (28, 1021499), (46, 621782), (92, 310891), (161, 177652), (322, 88826), (529, 54068), (644, 44413), (1058, 27034), (1931, 14812), (2116, 13517), (3703, 7724), (3862, 7406)]