128214716

素因数分解:

$2^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{8221}}^1$

素因数の和:8789

約数の個数: 24

約数和(自身を含む): 256921056

約数和(自身を除く): 128706340

約数列:

[1, 2, 4, 7, 14, 28, 557, 1114, 2228, 3899, 7798, 8221, 15596, 16442, 32884, 57547, 115094, 230188, 4579097, 9158194, 18316388, 32053679, 64107358, 128214716]

約数ペア:

[(1, 128214716), (2, 64107358), (4, 32053679), (7, 18316388), (14, 9158194), (28, 4579097), (557, 230188), (1114, 115094), (2228, 57547), (3899, 32884), (7798, 16442), (8221, 15596)]