208570418

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{3061}}^1$

素因数の和:3258

約数の個数: 32

約数和(自身を含む): 371555328

約数和(自身を除く): 162984910

約数列:

[1, 2, 7, 14, 31, 62, 157, 217, 314, 434, 1099, 2198, 3061, 4867, 6122, 9734, 21427, 34069, 42854, 68138, 94891, 189782, 480577, 664237, 961154, 1328474, 3364039, 6728078, 14897887, 29795774, 104285209, 208570418]

約数ペア:

[(1, 208570418), (2, 104285209), (7, 29795774), (14, 14897887), (31, 6728078), (62, 3364039), (157, 1328474), (217, 961154), (314, 664237), (434, 480577), (1099, 189782), (2198, 94891), (3061, 68138), (4867, 42854), (6122, 34069), (9734, 21427)]