28250845

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{19687}}^1$

素因数の和:19740

約数の個数: 16

約数和(自身を含む): 39691008

約数和(自身を除く): 11440163

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 19687, 98435, 137809, 689045, 807167, 4035835, 5650169, 28250845]

約数ペア:

[(1, 28250845), (5, 5650169), (7, 4035835), (35, 807167), (41, 689045), (205, 137809), (287, 98435), (1435, 19687)]