128242568

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{126223}}^1$

素因数の和:126356

約数の個数: 16

約数和(自身を含む): 242350080

約数和(自身を除く): 114107512

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 126223, 252446, 504892, 1009784, 16030321, 32060642, 64121284, 128242568]

約数ペア:

[(1, 128242568), (2, 64121284), (4, 32060642), (8, 16030321), (127, 1009784), (254, 504892), (508, 252446), (1016, 126223)]