78142211

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1$

素因数の和:603

約数の個数: 24

約数和(自身を含む): 94993920

約数和(自身を除く): 16851709

約数列:

[1, 7, 29, 49, 127, 203, 433, 889, 1421, 3031, 3683, 6223, 12557, 21217, 25781, 54991, 87899, 180467, 384937, 615293, 1594739, 2694559, 11163173, 78142211]

約数ペア:

[(1, 78142211), (7, 11163173), (29, 2694559), (49, 1594739), (127, 615293), (203, 384937), (433, 180467), (889, 87899), (1421, 54991), (3031, 25781), (3683, 21217), (6223, 12557)]