1621068638

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1459}}^1\times {\mathrm{4177}}^1$

素因数の和:5664

約数の個数: 32

約数和(自身を含む): 2927942400

約数和(自身を除く): 1306873762

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 1459, 2918, 4177, 8354, 10213, 20426, 27721, 29239, 55442, 58478, 79363, 158726, 194047, 388094, 555541, 1111082, 6094243, 12188486, 42659701, 85319402, 115790617, 231581234, 810534319, 1621068638]

約数ペア:

[(1, 1621068638), (2, 810534319), (7, 231581234), (14, 115790617), (19, 85319402), (38, 42659701), (133, 12188486), (266, 6094243), (1459, 1111082), (2918, 555541), (4177, 388094), (8354, 194047), (10213, 158726), (20426, 79363), (27721, 58478), (29239, 55442)]