1636964

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 3669120

約数和(自身を除く): 2032156

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 181, 238, 266, 323, 362, 476, 532, 646, 724, 1267, 1292, 2261, 2534, 3077, 3439, 4522, 5068, 6154, 6878, 9044, 12308, 13756, 21539, 24073, 43078, 48146, 58463, 86156, 96292, 116926, 233852, 409241, 818482, 1636964]

約数ペア:

[(1, 1636964), (2, 818482), (4, 409241), (7, 233852), (14, 116926), (17, 96292), (19, 86156), (28, 58463), (34, 48146), (38, 43078), (68, 24073), (76, 21539), (119, 13756), (133, 12308), (181, 9044), (238, 6878), (266, 6154), (323, 5068), (362, 4522), (476, 3439), (532, 3077), (646, 2534), (724, 2261), (1267, 1292)]