28790668

素因数分解:

$2^2\times {\mathrm{389}}^1\times {\mathrm{18503}}^1$

素因数の和:18896

約数の個数: 12

約数和(自身を含む): 50515920

約数和(自身を除く): 21725252

約数列:

[1, 2, 4, 389, 778, 1556, 18503, 37006, 74012, 7197667, 14395334, 28790668]

約数ペア:

[(1, 28790668), (2, 14395334), (4, 7197667), (389, 74012), (778, 37006), (1556, 18503)]