28688695

素因数分解:

$5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2917}}^1$

素因数の和:3210

約数の個数: 16

約数和(自身を含む): 39498048

約数和(自身を除く): 10809353

約数列:

[1, 5, 7, 35, 281, 1405, 1967, 2917, 9835, 14585, 20419, 102095, 819677, 4098385, 5737739, 28688695]

約数ペア:

[(1, 28688695), (5, 5737739), (7, 4098385), (35, 819677), (281, 102095), (1405, 20419), (1967, 14585), (2917, 9835)]