258426

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{293}}^1$

素因数の和:315

約数の個数: 36

約数和(自身を含む): 653562

約数和(自身を除く): 395136

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 293, 294, 441, 586, 879, 882, 1758, 2051, 2637, 4102, 5274, 6153, 12306, 14357, 18459, 28714, 36918, 43071, 86142, 129213, 258426]

約数ペア:

[(1, 258426), (2, 129213), (3, 86142), (6, 43071), (7, 36918), (9, 28714), (14, 18459), (18, 14357), (21, 12306), (42, 6153), (49, 5274), (63, 4102), (98, 2637), (126, 2051), (147, 1758), (293, 882), (294, 879), (441, 586)]