27780016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{157841}}^1$

素因数の和:157860

約数の個数: 20

約数和(自身を含む): 58717224

約数和(自身を除く): 30937208

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 157841, 315682, 631364, 1262728, 1736251, 2525456, 3472502, 6945004, 13890008, 27780016]

約数ペア:

[(1, 27780016), (2, 13890008), (4, 6945004), (8, 3472502), (11, 2525456), (16, 1736251), (22, 1262728), (44, 631364), (88, 315682), (176, 157841)]