17617145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 26880000

約数和(自身を除く): 9262855

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 1249, 2015, 2821, 6245, 8743, 14105, 16237, 38719, 43715, 81185, 113659, 193595, 271033, 503347, 568295, 1355165, 2516735, 3523429, 17617145]

約数ペア:

[(1, 17617145), (5, 3523429), (7, 2516735), (13, 1355165), (31, 568295), (35, 503347), (65, 271033), (91, 193595), (155, 113659), (217, 81185), (403, 43715), (455, 38719), (1085, 16237), (1249, 14105), (2015, 8743), (2821, 6245)]