81367195

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{433}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 124679520

約数和(自身を除く): 43312325

約数列:

[1, 5, 7, 13, 35, 49, 59, 65, 91, 245, 295, 413, 433, 455, 637, 767, 2065, 2165, 2891, 3031, 3185, 3835, 5369, 5629, 14455, 15155, 21217, 25547, 26845, 28145, 37583, 39403, 106085, 127735, 178829, 187915, 197015, 275821, 332111, 894145, 1251803, 1379105, 1660555, 2324777, 6259015, 11623885, 16273439, 81367195]

約数ペア:

[(1, 81367195), (5, 16273439), (7, 11623885), (13, 6259015), (35, 2324777), (49, 1660555), (59, 1379105), (65, 1251803), (91, 894145), (245, 332111), (295, 275821), (413, 197015), (433, 187915), (455, 178829), (637, 127735), (767, 106085), (2065, 39403), (2165, 37583), (2891, 28145), (3031, 26845), (3185, 25547), (3835, 21217), (5369, 15155), (5629, 14455)]