81941488

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{119101}}^1$

素因数の和:119152

約数の個数: 20

約数和(自身を含む): 162455128

約数和(自身を除く): 80513640

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 119101, 238202, 476404, 952808, 1905616, 5121343, 10242686, 20485372, 40970744, 81941488]

約数ペア:

[(1, 81941488), (2, 40970744), (4, 20485372), (8, 10242686), (16, 5121343), (43, 1905616), (86, 952808), (172, 476404), (344, 238202), (688, 119101)]