138402568

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{136223}}^1$

素因数の和:136356

約数の個数: 16

約数和(自身を含む): 261550080

約数和(自身を除く): 123147512

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 136223, 272446, 544892, 1089784, 17300321, 34600642, 69201284, 138402568]

約数ペア:

[(1, 138402568), (2, 69201284), (4, 34600642), (8, 17300321), (127, 1089784), (254, 544892), (508, 272446), (1016, 136223)]