204059639

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1151}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 259522560

約数和(自身を除く): 55462921

約数列:

[1, 7, 19, 31, 43, 133, 217, 301, 589, 817, 1151, 1333, 4123, 5719, 8057, 9331, 21869, 25327, 35681, 49493, 153083, 177289, 249767, 346451, 677939, 940367, 1534283, 4745573, 6582569, 10739981, 29151377, 204059639]

約数ペア:

[(1, 204059639), (7, 29151377), (19, 10739981), (31, 6582569), (43, 4745573), (133, 1534283), (217, 940367), (301, 677939), (589, 346451), (817, 249767), (1151, 177289), (1333, 153083), (4123, 49493), (5719, 35681), (8057, 25327), (9331, 21869)]