1640596287

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1873}}^1$

素因数の和:2044

約数の個数: 48

約数和(自身を含む): 2552238080

約数和(自身を除く): 911641793

約数列:

[1, 3, 11, 19, 33, 57, 121, 127, 209, 363, 381, 627, 1397, 1873, 2299, 2413, 4191, 5619, 6897, 7239, 15367, 20603, 26543, 35587, 46101, 61809, 79629, 106761, 226633, 237871, 291973, 391457, 679899, 713613, 875919, 1174371, 2616581, 4306027, 4519549, 7849743, 12918081, 13558647, 28782391, 49715039, 86347173, 149145117, 546865429, 1640596287]

約数ペア:

[(1, 1640596287), (3, 546865429), (11, 149145117), (19, 86347173), (33, 49715039), (57, 28782391), (121, 13558647), (127, 12918081), (209, 7849743), (363, 4519549), (381, 4306027), (627, 2616581), (1397, 1174371), (1873, 875919), (2299, 713613), (2413, 679899), (4191, 391457), (5619, 291973), (6897, 237871), (7239, 226633), (15367, 106761), (20603, 79629), (26543, 61809), (35587, 46101)]