28702544

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137993}}^1$

素因数の和:138014

約数の個数: 20

約数和(自身を含む): 59889396

約数和(自身を除く): 31186852

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137993, 275986, 551972, 1103944, 1793909, 2207888, 3587818, 7175636, 14351272, 28702544]

約数ペア:

[(1, 28702544), (2, 14351272), (4, 7175636), (8, 3587818), (13, 2207888), (16, 1793909), (26, 1103944), (52, 551972), (104, 275986), (208, 137993)]