28086270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1447}}^1$

素因数の和:2104

約数の個数: 32

約数和(自身を含む): 67557888

約数和(自身を除く): 39471618

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 647, 1294, 1447, 1941, 2894, 3235, 3882, 4341, 6470, 7235, 8682, 9705, 14470, 19410, 21705, 43410, 936209, 1872418, 2808627, 4681045, 5617254, 9362090, 14043135, 28086270]

約数ペア:

[(1, 28086270), (2, 14043135), (3, 9362090), (5, 5617254), (6, 4681045), (10, 2808627), (15, 1872418), (30, 936209), (647, 43410), (1294, 21705), (1447, 19410), (1941, 14470), (2894, 9705), (3235, 8682), (3882, 7235), (4341, 6470)]