51901787

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 65664000

約数和(自身を除く): 13762213

約数列:

[1, 7, 19, 37, 53, 133, 199, 259, 371, 703, 1007, 1393, 1961, 3781, 4921, 7049, 7363, 10547, 13727, 26467, 37259, 51541, 73829, 139897, 200393, 260813, 390239, 979279, 1402751, 2731673, 7414541, 51901787]

約数ペア:

[(1, 51901787), (7, 7414541), (19, 2731673), (37, 1402751), (53, 979279), (133, 390239), (199, 260813), (259, 200393), (371, 139897), (703, 73829), (1007, 51541), (1393, 37259), (1961, 26467), (3781, 13727), (4921, 10547), (7049, 7363)]