39987409

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 52955136

約数和(自身を除く): 12967727

約数列:

[1, 7, 11, 23, 67, 77, 161, 253, 337, 469, 737, 1541, 1771, 2359, 3707, 5159, 7751, 10787, 16951, 22579, 25949, 54257, 85261, 118657, 158053, 248369, 519317, 596827, 1738583, 3635219, 5712487, 39987409]

約数ペア:

[(1, 39987409), (7, 5712487), (11, 3635219), (23, 1738583), (67, 596827), (77, 519317), (161, 248369), (253, 158053), (337, 118657), (469, 85261), (737, 54257), (1541, 25949), (1771, 22579), (2359, 16951), (3707, 10787), (5159, 7751)]