1286642

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:726

約数の個数: 24

約数和(自身を含む): 2366640

約数和(自身を除く): 1079998

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 691, 931, 1382, 1862, 4837, 9674, 13129, 26258, 33859, 67718, 91903, 183806, 643321, 1286642]

約数ペア:

[(1, 1286642), (2, 643321), (7, 183806), (14, 91903), (19, 67718), (38, 33859), (49, 26258), (98, 13129), (133, 9674), (266, 4837), (691, 1862), (931, 1382)]