16189943

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{613}}^1$

素因数の和:652

約数の個数: 20

約数和(自身を含む): 20637768

約数和(自身を除く): 4447825

約数列:

[1, 7, 11, 49, 77, 343, 539, 613, 2401, 3773, 4291, 6743, 26411, 30037, 47201, 210259, 330407, 1471813, 2312849, 16189943]

約数ペア:

[(1, 16189943), (7, 2312849), (11, 1471813), (49, 330407), (77, 210259), (343, 47201), (539, 30037), (613, 26411), (2401, 6743), (3773, 4291)]