349168

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:304

約数の個数: 20

約数和(自身を含む): 685720

約数和(自身を除く): 336552

約数列:

[1, 2, 4, 8, 16, 139, 157, 278, 314, 556, 628, 1112, 1256, 2224, 2512, 21823, 43646, 87292, 174584, 349168]

約数ペア:

[(1, 349168), (2, 174584), (4, 87292), (8, 43646), (16, 21823), (139, 2512), (157, 2224), (278, 1256), (314, 1112), (556, 628)]