71811568

素因数分解:

$2^4\times {\mathrm{1087}}^1\times {\mathrm{4129}}^1$

素因数の和:5224

約数の個数: 20

約数和(自身を含む): 139296640

約数和(自身を除く): 67485072

約数列:

[1, 2, 4, 8, 16, 1087, 2174, 4129, 4348, 8258, 8696, 16516, 17392, 33032, 66064, 4488223, 8976446, 17952892, 35905784, 71811568]

約数ペア:

[(1, 71811568), (2, 35905784), (4, 17952892), (8, 8976446), (16, 4488223), (1087, 66064), (2174, 33032), (4129, 17392), (4348, 16516), (8258, 8696)]