254646

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:105

約数の個数: 48

約数和(自身を含む): 658944

約数和(自身を除く): 404298

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 47, 63, 86, 94, 126, 129, 141, 258, 282, 301, 329, 387, 423, 602, 658, 774, 846, 903, 987, 1806, 1974, 2021, 2709, 2961, 4042, 5418, 5922, 6063, 12126, 14147, 18189, 28294, 36378, 42441, 84882, 127323, 254646]

約数ペア:

[(1, 254646), (2, 127323), (3, 84882), (6, 42441), (7, 36378), (9, 28294), (14, 18189), (18, 14147), (21, 12126), (42, 6063), (43, 5922), (47, 5418), (63, 4042), (86, 2961), (94, 2709), (126, 2021), (129, 1974), (141, 1806), (258, 987), (282, 903), (301, 846), (329, 774), (387, 658), (423, 602)]