389989724

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{55681}}^1$

素因数の和:55805

約数の個数: 24

約数和(自身を含む): 729656928

約数和(自身を除く): 339667204

約数列:

[1, 2, 4, 17, 34, 68, 103, 206, 412, 1751, 3502, 7004, 55681, 111362, 222724, 946577, 1893154, 3786308, 5735143, 11470286, 22940572, 97497431, 194994862, 389989724]

約数ペア:

[(1, 389989724), (2, 194994862), (4, 97497431), (17, 22940572), (34, 11470286), (68, 5735143), (103, 3786308), (206, 1893154), (412, 946577), (1751, 222724), (3502, 111362), (7004, 55681)]