138640376

素因数分解:

$2^3\times 7^1\times {\mathrm{2475721}}^1$

素因数の和:2475734

約数の個数: 16

約数和(自身を含む): 297086640

約数和(自身を除く): 158446264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2475721, 4951442, 9902884, 17330047, 19805768, 34660094, 69320188, 138640376]

約数ペア:

[(1, 138640376), (2, 69320188), (4, 34660094), (7, 19805768), (8, 17330047), (14, 9902884), (28, 4951442), (56, 2475721)]