81802462

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{20359}}^1$

素因数の和:20416

約数の個数: 24

約数和(自身を含む): 146225520

約数和(自身を除く): 64423058

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009, 4018, 20359, 40718, 142513, 285026, 834719, 997591, 1669438, 1995182, 5843033, 11686066, 40901231, 81802462]

約数ペア:

[(1, 81802462), (2, 40901231), (7, 11686066), (14, 5843033), (41, 1995182), (49, 1669438), (82, 997591), (98, 834719), (287, 285026), (574, 142513), (2009, 40718), (4018, 20359)]