81828484

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{1223}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 147026880

約数和(自身を除く): 65198396

約数列:

[1, 2, 4, 43, 86, 172, 389, 778, 1223, 1556, 2446, 4892, 16727, 33454, 52589, 66908, 105178, 210356, 475747, 951494, 1902988, 20457121, 40914242, 81828484]

約数ペア:

[(1, 81828484), (2, 40914242), (4, 20457121), (43, 1902988), (86, 951494), (172, 475747), (389, 210356), (778, 105178), (1223, 66908), (1556, 52589), (2446, 33454), (4892, 16727)]