1279958687

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 1520031744

約数和(自身を除く): 240073057

約数列:

[1, 7, 67, 83, 131, 251, 469, 581, 917, 1757, 5561, 8777, 10873, 16817, 20833, 32881, 38927, 61439, 76111, 117719, 145831, 230167, 728491, 1395811, 2203027, 2729123, 5099437, 9770677, 15421189, 19103861, 182851241, 1279958687]

約数ペア:

[(1, 1279958687), (7, 182851241), (67, 19103861), (83, 15421189), (131, 9770677), (251, 5099437), (469, 2729123), (581, 2203027), (917, 1395811), (1757, 728491), (5561, 230167), (8777, 145831), (10873, 117719), (16817, 76111), (20833, 61439), (32881, 38927)]