28841488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{138661}}^1$

素因数の和:138682

約数の個数: 20

約数和(自身を含む): 60179308

約数和(自身を除く): 31337820

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 138661, 277322, 554644, 1109288, 1802593, 2218576, 3605186, 7210372, 14420744, 28841488]

約数ペア:

[(1, 28841488), (2, 14420744), (4, 7210372), (8, 3605186), (13, 2218576), (16, 1802593), (26, 1109288), (52, 554644), (104, 277322), (208, 138661)]