28571305

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1549}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 42854400

約数和(自身を除く): 14283095

約数列:

[1, 5, 7, 17, 31, 35, 85, 119, 155, 217, 527, 595, 1085, 1549, 2635, 3689, 7745, 10843, 18445, 26333, 48019, 54215, 131665, 184331, 240095, 336133, 816323, 921655, 1680665, 4081615, 5714261, 28571305]

約数ペア:

[(1, 28571305), (5, 5714261), (7, 4081615), (17, 1680665), (31, 921655), (35, 816323), (85, 336133), (119, 240095), (155, 184331), (217, 131665), (527, 54215), (595, 48019), (1085, 26333), (1549, 18445), (2635, 10843), (3689, 7745)]