28168816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{135427}}^1$

素因数の和:135448

約数の個数: 20

約数和(自身を含む): 58775752

約数和(自身を除く): 30606936

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 135427, 270854, 541708, 1083416, 1760551, 2166832, 3521102, 7042204, 14084408, 28168816]

約数ペア:

[(1, 28168816), (2, 14084408), (4, 7042204), (8, 3521102), (13, 2166832), (16, 1760551), (26, 1083416), (52, 541708), (104, 270854), (208, 135427)]