66451664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{218591}}^1$

素因数の和:218618

約数の個数: 20

約数和(自身を含む): 135527040

約数和(自身を除く): 69075376

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 218591, 437182, 874364, 1748728, 3497456, 4153229, 8306458, 16612916, 33225832, 66451664]

約数ペア:

[(1, 66451664), (2, 33225832), (4, 16612916), (8, 8306458), (16, 4153229), (19, 3497456), (38, 1748728), (76, 874364), (152, 437182), (304, 218591)]