81954572

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71389}}^1$

素因数の和:71441

約数の個数: 24

約数和(自身を含む): 167909280

約数和(自身を除く): 85954708

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 71389, 142778, 285556, 499723, 999446, 1998892, 2926949, 5853898, 11707796, 20488643, 40977286, 81954572]

約数ペア:

[(1, 81954572), (2, 40977286), (4, 20488643), (7, 11707796), (14, 5853898), (28, 2926949), (41, 1998892), (82, 999446), (164, 499723), (287, 285556), (574, 142778), (1148, 71389)]