28630378

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2909}}^1$

素因数の和:2974

約数の個数: 32

約数和(自身を含む): 53078400

約数和(自身を除く): 24448022

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 133, 259, 266, 518, 703, 1406, 2909, 4921, 5818, 9842, 20363, 40726, 55271, 107633, 110542, 215266, 386897, 753431, 773794, 1506862, 2045027, 4090054, 14315189, 28630378]

約数ペア:

[(1, 28630378), (2, 14315189), (7, 4090054), (14, 2045027), (19, 1506862), (37, 773794), (38, 753431), (74, 386897), (133, 215266), (259, 110542), (266, 107633), (518, 55271), (703, 40726), (1406, 20363), (2909, 9842), (4921, 5818)]