28173392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{135449}}^1$

素因数の和:135470

約数の個数: 20

約数和(自身を含む): 58785300

約数和(自身を除く): 30611908

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 135449, 270898, 541796, 1083592, 1760837, 2167184, 3521674, 7043348, 14086696, 28173392]

約数ペア:

[(1, 28173392), (2, 14086696), (4, 7043348), (8, 3521674), (13, 2167184), (16, 1760837), (26, 1083592), (52, 541796), (104, 270898), (208, 135449)]