128604868

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199697}}^1$

素因数の和:199731

約数の個数: 24

約数和(自身を含む): 268394112

約数和(自身を除く): 139789244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 199697, 399394, 798788, 1397879, 2795758, 4593031, 5591516, 9186062, 18372124, 32151217, 64302434, 128604868]

約数ペア:

[(1, 128604868), (2, 64302434), (4, 32151217), (7, 18372124), (14, 9186062), (23, 5591516), (28, 4593031), (46, 2795758), (92, 1397879), (161, 798788), (322, 399394), (644, 199697)]