128810512

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{63391}}^1$

素因数の和:63526

約数の個数: 20

約数和(自身を含む): 251539456

約数和(自身を除く): 122728944

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 63391, 126782, 253564, 507128, 1014256, 8050657, 16101314, 32202628, 64405256, 128810512]

約数ペア:

[(1, 128810512), (2, 64405256), (4, 32202628), (8, 16101314), (16, 8050657), (127, 1014256), (254, 507128), (508, 253564), (1016, 126782), (2032, 63391)]