291223933

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2719}}^1$

素因数の和:2857

約数の個数: 32

約数和(自身を含む): 394813440

約数和(自身を除く): 103589507

約数列:

[1, 7, 11, 13, 77, 91, 107, 143, 749, 1001, 1177, 1391, 2719, 8239, 9737, 15301, 19033, 29909, 35347, 107107, 209363, 247429, 290933, 388817, 2036531, 2721719, 3200263, 3782129, 22401841, 26474903, 41603419, 291223933]

約数ペア:

[(1, 291223933), (7, 41603419), (11, 26474903), (13, 22401841), (77, 3782129), (91, 3200263), (107, 2721719), (143, 2036531), (749, 388817), (1001, 290933), (1177, 247429), (1391, 209363), (2719, 107107), (8239, 35347), (9737, 29909), (15301, 19033)]