28091947

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1999}}^1$

素因数の和:2082

約数の個数: 16

約数和(自身を含む): 32256000

約数和(自身を除く): 4164053

約数列:

[1, 13, 23, 47, 299, 611, 1081, 1999, 14053, 25987, 45977, 93953, 597701, 1221389, 2160919, 28091947]

約数ペア:

[(1, 28091947), (13, 2160919), (23, 1221389), (47, 597701), (299, 93953), (611, 45977), (1081, 25987), (1999, 14053)]