2564639

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1753}}^1$

素因数の和:1790

約数の個数: 16

約数和(自身を含む): 3367680

約数和(自身を除く): 803041

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 1753, 12271, 19283, 33307, 134981, 233149, 366377, 2564639]

約数ペア:

[(1, 2564639), (7, 366377), (11, 233149), (19, 134981), (77, 33307), (133, 19283), (209, 12271), (1463, 1753)]