28036688

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{40751}}^1$

素因数の和:40802

約数の個数: 20

約数和(自身を含む): 55585728

約数和(自身を除く): 27549040

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 40751, 81502, 163004, 326008, 652016, 1752293, 3504586, 7009172, 14018344, 28036688]

約数ペア:

[(1, 28036688), (2, 14018344), (4, 7009172), (8, 3504586), (16, 1752293), (43, 652016), (86, 326008), (172, 163004), (344, 81502), (688, 40751)]