28363088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{136361}}^1$

素因数の和:136382

約数の個数: 20

約数和(自身を含む): 59181108

約数和(自身を除く): 30818020

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 136361, 272722, 545444, 1090888, 1772693, 2181776, 3545386, 7090772, 14181544, 28363088]

約数ペア:

[(1, 28363088), (2, 14181544), (4, 7090772), (8, 3545386), (13, 2181776), (16, 1772693), (26, 1090888), (52, 545444), (104, 272722), (208, 136361)]