81472784

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{71719}}^1$

素因数の和:71798

約数の個数: 20

約数和(自身を含む): 160079040

約数和(自身を除く): 78606256

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 71719, 143438, 286876, 573752, 1147504, 5092049, 10184098, 20368196, 40736392, 81472784]

約数ペア:

[(1, 81472784), (2, 40736392), (4, 20368196), (8, 10184098), (16, 5092049), (71, 1147504), (142, 573752), (284, 286876), (568, 143438), (1136, 71719)]