28319694

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5419}}^1$

素因数の和:5504

約数の個数: 32

約数和(自身を含む): 61918080

約数和(自身を除く): 33598386

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 5226, 5419, 10838, 16257, 32514, 70447, 140894, 211341, 363073, 422682, 726146, 1089219, 2178438, 4719949, 9439898, 14159847, 28319694]

約数ペア:

[(1, 28319694), (2, 14159847), (3, 9439898), (6, 4719949), (13, 2178438), (26, 1089219), (39, 726146), (67, 422682), (78, 363073), (134, 211341), (201, 140894), (402, 70447), (871, 32514), (1742, 16257), (2613, 10838), (5226, 5419)]