31499972

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1193}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 67398912

約数和(自身を除く): 35898940

約数列:

[1, 2, 4, 7, 14, 23, 28, 41, 46, 82, 92, 161, 164, 287, 322, 574, 644, 943, 1148, 1193, 1886, 2386, 3772, 4772, 6601, 8351, 13202, 16702, 26404, 27439, 33404, 48913, 54878, 97826, 109756, 192073, 195652, 342391, 384146, 684782, 768292, 1124999, 1369564, 2249998, 4499996, 7874993, 15749986, 31499972]

約数ペア:

[(1, 31499972), (2, 15749986), (4, 7874993), (7, 4499996), (14, 2249998), (23, 1369564), (28, 1124999), (41, 768292), (46, 684782), (82, 384146), (92, 342391), (161, 195652), (164, 192073), (287, 109756), (322, 97826), (574, 54878), (644, 48913), (943, 33404), (1148, 27439), (1193, 26404), (1886, 16702), (2386, 13202), (3772, 8351), (4772, 6601)]