487991305

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{347}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 623259648

約数和(自身を除く): 135268343

約数列:

[1, 5, 31, 43, 155, 211, 215, 347, 1055, 1333, 1735, 6541, 6665, 9073, 10757, 14921, 32705, 45365, 53785, 73217, 74605, 281263, 366085, 462551, 1406315, 2269727, 2312755, 3148331, 11348635, 15741655, 97598261, 487991305]

約数ペア:

[(1, 487991305), (5, 97598261), (31, 15741655), (43, 11348635), (155, 3148331), (211, 2312755), (215, 2269727), (347, 1406315), (1055, 462551), (1333, 366085), (1735, 281263), (6541, 74605), (6665, 73217), (9073, 53785), (10757, 45365), (14921, 32705)]