16856221

素因数分解:

${\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 16

約数和(自身を含む): 18144000

約数和(自身を除く): 1287779

約数列:

[1, 29, 47, 83, 149, 1363, 2407, 3901, 4321, 7003, 12367, 113129, 203087, 358643, 581249, 16856221]

約数ペア:

[(1, 16856221), (29, 581249), (47, 358643), (83, 203087), (149, 113129), (1363, 12367), (2407, 7003), (3901, 4321)]