16887805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 22750560

約数和(自身を除く): 5862755

約数列:

[1, 5, 11, 47, 55, 139, 235, 517, 695, 1529, 2209, 2585, 6533, 7645, 11045, 24299, 32665, 71863, 121495, 307051, 359315, 1535255, 3377561, 16887805]

約数ペア:

[(1, 16887805), (5, 3377561), (11, 1535255), (47, 359315), (55, 307051), (139, 121495), (235, 71863), (517, 32665), (695, 24299), (1529, 11045), (2209, 7645), (2585, 6533)]