2145689

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:129

約数の個数: 32

約数和(自身を含む): 2983680

約数和(自身を除く): 837991

約数列:

[1, 7, 13, 17, 19, 73, 91, 119, 133, 221, 247, 323, 511, 949, 1241, 1387, 1547, 1729, 2261, 4199, 6643, 8687, 9709, 16133, 18031, 23579, 29393, 112931, 126217, 165053, 306527, 2145689]

約数ペア:

[(1, 2145689), (7, 306527), (13, 165053), (17, 126217), (19, 112931), (73, 29393), (91, 23579), (119, 18031), (133, 16133), (221, 9709), (247, 8687), (323, 6643), (511, 4199), (949, 2261), (1241, 1729), (1387, 1547)]