858416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{4127}}^1$

素因数の和:4148

約数の個数: 20

約数和(自身を含む): 1791552

約数和(自身を除く): 933136

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 4127, 8254, 16508, 33016, 53651, 66032, 107302, 214604, 429208, 858416]

約数ペア:

[(1, 858416), (2, 429208), (4, 214604), (8, 107302), (13, 66032), (16, 53651), (26, 33016), (52, 16508), (104, 8254), (208, 4127)]