81055996

素因数分解:

$2^2\times 7^2\times {\mathrm{413551}}^1$

素因数の和:413569

約数の個数: 18

約数和(自身を含む): 165007248

約数和(自身を除く): 83951252

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 413551, 827102, 1654204, 2894857, 5789714, 11579428, 20263999, 40527998, 81055996]

約数ペア:

[(1, 81055996), (2, 40527998), (4, 20263999), (7, 11579428), (14, 5789714), (28, 2894857), (49, 1654204), (98, 827102), (196, 413551)]