128458316

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241463}}^1$

素因数の和:241493

約数の個数: 24

約数和(自身を含む): 270439680

約数和(自身を除く): 141981364

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 241463, 482926, 965852, 1690241, 3380482, 4587797, 6760964, 9175594, 18351188, 32114579, 64229158, 128458316]

約数ペア:

[(1, 128458316), (2, 64229158), (4, 32114579), (7, 18351188), (14, 9175594), (19, 6760964), (28, 4587797), (38, 3380482), (76, 1690241), (133, 965852), (266, 482926), (532, 241463)]