208565522

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{23293}}^1$

素因数の和:23354

約数の個数: 24

約数和(自身を含む): 353183628

約数和(自身を除く): 144618106

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 814, 4477, 8954, 23293, 46586, 256223, 512446, 861841, 1723682, 2818453, 5636906, 9480251, 18960502, 104282761, 208565522]

約数ペア:

[(1, 208565522), (2, 104282761), (11, 18960502), (22, 9480251), (37, 5636906), (74, 2818453), (121, 1723682), (242, 861841), (407, 512446), (814, 256223), (4477, 46586), (8954, 23293)]