266526728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 556839360

約数和(自身を除く): 290312632

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 107, 172, 214, 344, 428, 557, 559, 856, 1114, 1118, 1391, 2228, 2236, 2782, 4456, 4472, 4601, 5564, 7241, 9202, 11128, 14482, 18404, 23951, 28964, 36808, 47902, 57928, 59599, 59813, 95804, 119198, 119626, 191608, 238396, 239252, 311363, 476792, 478504, 622726, 774787, 1245452, 1549574, 2490904, 2562757, 3099148, 5125514, 6198296, 10251028, 20502056, 33315841, 66631682, 133263364, 266526728]

約数ペア:

[(1, 266526728), (2, 133263364), (4, 66631682), (8, 33315841), (13, 20502056), (26, 10251028), (43, 6198296), (52, 5125514), (86, 3099148), (104, 2562757), (107, 2490904), (172, 1549574), (214, 1245452), (344, 774787), (428, 622726), (557, 478504), (559, 476792), (856, 311363), (1114, 239252), (1118, 238396), (1391, 191608), (2228, 119626), (2236, 119198), (2782, 95804), (4456, 59813), (4472, 59599), (4601, 57928), (5564, 47902), (7241, 36808), (9202, 28964), (11128, 23951), (14482, 18404)]