12126905

素因数分解:

$5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{823}}^1$

素因数の和:1256

約数の個数: 16

約数和(自身を含む): 16690944

約数和(自身を除く): 4564039

約数列:

[1, 5, 7, 35, 421, 823, 2105, 2947, 4115, 5761, 14735, 28805, 346483, 1732415, 2425381, 12126905]

約数ペア:

[(1, 12126905), (5, 2425381), (7, 1732415), (35, 346483), (421, 28805), (823, 14735), (2105, 5761), (2947, 4115)]