64126672

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{210943}}^1$

素因数の和:210970

約数の個数: 20

約数和(自身を含む): 130785280

約数和(自身を除く): 66658608

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 210943, 421886, 843772, 1687544, 3375088, 4007917, 8015834, 16031668, 32063336, 64126672]

約数ペア:

[(1, 64126672), (2, 32063336), (4, 16031668), (8, 8015834), (16, 4007917), (19, 3375088), (38, 1687544), (76, 843772), (152, 421886), (304, 210943)]