212623852

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{54631}}^1$

素因数の和:54781

約数の個数: 24

約数和(自身を含む): 428314880

約数和(自身を除く): 215691028

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 54631, 109262, 218524, 382417, 764834, 1529668, 7593709, 15187418, 30374836, 53155963, 106311926, 212623852]

約数ペア:

[(1, 212623852), (2, 106311926), (4, 53155963), (7, 30374836), (14, 15187418), (28, 7593709), (139, 1529668), (278, 764834), (556, 382417), (973, 218524), (1946, 109262), (3892, 54631)]