28400878

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 48066048

約数和(自身を除く): 19665170

約数列:

[1, 2, 11, 22, 47, 94, 121, 227, 242, 454, 517, 1034, 1331, 2497, 2662, 4994, 5687, 10669, 11374, 21338, 27467, 54934, 62557, 117359, 125114, 234718, 302137, 604274, 1290949, 2581898, 14200439, 28400878]

約数ペア:

[(1, 28400878), (2, 14200439), (11, 2581898), (22, 1290949), (47, 604274), (94, 302137), (121, 234718), (227, 125114), (242, 117359), (454, 62557), (517, 54934), (1034, 27467), (1331, 21338), (2497, 11374), (2662, 10669), (4994, 5687)]