31981328

素因数分解:

$2^4\times {\mathrm{653}}^1\times {\mathrm{3061}}^1$

素因数の和:3722

約数の個数: 20

約数和(自身を含む): 62078988

約数和(自身を除く): 30097660

約数列:

[1, 2, 4, 8, 16, 653, 1306, 2612, 3061, 5224, 6122, 10448, 12244, 24488, 48976, 1998833, 3997666, 7995332, 15990664, 31981328]

約数ペア:

[(1, 31981328), (2, 15990664), (4, 7995332), (8, 3997666), (16, 1998833), (653, 48976), (1306, 24488), (2612, 12244), (3061, 10448), (5224, 6122)]