81426208

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{35839}}^1$

素因数の和:35920

約数の個数: 24

約数和(自身を含む): 162570240

約数和(自身を除く): 81144032

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 35839, 71678, 143356, 286712, 573424, 1146848, 2544569, 5089138, 10178276, 20356552, 40713104, 81426208]

約数ペア:

[(1, 81426208), (2, 40713104), (4, 20356552), (8, 10178276), (16, 5089138), (32, 2544569), (71, 1146848), (142, 573424), (284, 286712), (568, 143356), (1136, 71678), (2272, 35839)]