254492447

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 300326400

約数和(自身を除く): 45833953

約数列:

[1, 11, 23, 43, 149, 157, 253, 473, 989, 1639, 1727, 3427, 3611, 6407, 6751, 10879, 23393, 37697, 39721, 70477, 74261, 147361, 155273, 257323, 538039, 1005899, 1620971, 1708003, 5918429, 11064889, 23135677, 254492447]

約数ペア:

[(1, 254492447), (11, 23135677), (23, 11064889), (43, 5918429), (149, 1708003), (157, 1620971), (253, 1005899), (473, 538039), (989, 257323), (1639, 155273), (1727, 147361), (3427, 74261), (3611, 70477), (6407, 39721), (6751, 37697), (10879, 23393)]