123020212

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{231241}}^1$

素因数の和:231271

約数の個数: 24

約数和(自身を含む): 258991040

約数和(自身を除く): 135970828

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 231241, 462482, 924964, 1618687, 3237374, 4393579, 6474748, 8787158, 17574316, 30755053, 61510106, 123020212]

約数ペア:

[(1, 123020212), (2, 61510106), (4, 30755053), (7, 17574316), (14, 8787158), (19, 6474748), (28, 4393579), (38, 3237374), (76, 1618687), (133, 924964), (266, 462482), (532, 231241)]