28051568

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{4507}}^1$

素因数の和:4904

約数の個数: 20

約数和(自身を含む): 54501720

約数和(自身を除く): 26450152

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 4507, 6224, 9014, 18028, 36056, 72112, 1753223, 3506446, 7012892, 14025784, 28051568]

約数ペア:

[(1, 28051568), (2, 14025784), (4, 7012892), (8, 3506446), (16, 1753223), (389, 72112), (778, 36056), (1556, 18028), (3112, 9014), (4507, 6224)]