259485717

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 386242560

約数和(自身を除く): 126756843

約数列:

[1, 3, 19, 31, 57, 59, 93, 131, 177, 361, 393, 589, 1083, 1121, 1767, 1829, 2489, 3363, 4061, 5487, 7467, 7729, 11191, 12183, 21299, 23187, 33573, 34751, 47291, 63897, 77159, 104253, 141873, 146851, 231477, 239599, 440553, 660269, 718797, 1466021, 1980807, 2790169, 4398063, 4552381, 8370507, 13657143, 86495239, 259485717]

約数ペア:

[(1, 259485717), (3, 86495239), (19, 13657143), (31, 8370507), (57, 4552381), (59, 4398063), (93, 2790169), (131, 1980807), (177, 1466021), (361, 718797), (393, 660269), (589, 440553), (1083, 239599), (1121, 231477), (1767, 146851), (1829, 141873), (2489, 104253), (3363, 77159), (4061, 63897), (5487, 47291), (7467, 34751), (7729, 33573), (11191, 23187), (12183, 21299)]