247385957

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8263}}^1$

素因数の和:8337

約数の個数: 24

約数和(自身を含む): 316544256

約数和(自身を除く): 69158299

約数列:

[1, 7, 13, 47, 49, 91, 329, 611, 637, 2303, 4277, 8263, 29939, 57841, 107419, 388361, 404887, 751933, 2718527, 5048693, 5263531, 19029689, 35340851, 247385957]

約数ペア:

[(1, 247385957), (7, 35340851), (13, 19029689), (47, 5263531), (49, 5048693), (91, 2718527), (329, 751933), (611, 404887), (637, 388361), (2303, 107419), (4277, 57841), (8263, 29939)]