205847719

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1039}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 268369920

約数和(自身を除く): 62522201

約数列:

[1, 7, 11, 31, 77, 83, 217, 341, 581, 913, 1039, 2387, 2573, 6391, 7273, 11429, 18011, 28303, 32209, 80003, 86237, 198121, 225463, 354299, 603659, 948607, 2480093, 2673347, 6640249, 18713429, 29406817, 205847719]

約数ペア:

[(1, 205847719), (7, 29406817), (11, 18713429), (31, 6640249), (77, 2673347), (83, 2480093), (217, 948607), (341, 603659), (581, 354299), (913, 225463), (1039, 198121), (2387, 86237), (2573, 80003), (6391, 32209), (7273, 28303), (11429, 18011)]