31118444

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2857}}^1$

素因数の和:3257

約数の個数: 24

約数和(自身を含む): 62418720

約数和(自身を除く): 31300276

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 2723, 2857, 5446, 5714, 10892, 11428, 19999, 39998, 79996, 1111373, 2222746, 4445492, 7779611, 15559222, 31118444]

約数ペア:

[(1, 31118444), (2, 15559222), (4, 7779611), (7, 4445492), (14, 2222746), (28, 1111373), (389, 79996), (778, 39998), (1556, 19999), (2723, 11428), (2857, 10892), (5446, 5714)]