771678

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1048

約数の個数: 24

約数和(自身を含む): 1712568

約数和(自身を除く): 940890

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 997, 1994, 2991, 5982, 8973, 17946, 42871, 85742, 128613, 257226, 385839, 771678]

約数ペア:

[(1, 771678), (2, 385839), (3, 257226), (6, 128613), (9, 85742), (18, 42871), (43, 17946), (86, 8973), (129, 5982), (258, 2991), (387, 1994), (774, 997)]