1245642937

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1993}}^1\times {\mathrm{8117}}^1$

素因数の和:10128

約数の個数: 16

約数和(自身を含む): 1553980032

約数和(自身を除く): 308337095

約数列:

[1, 7, 11, 77, 1993, 8117, 13951, 21923, 56819, 89287, 153461, 625009, 16177181, 113240267, 177948991, 1245642937]

約数ペア:

[(1, 1245642937), (7, 177948991), (11, 113240267), (77, 16177181), (1993, 625009), (8117, 153461), (13951, 89287), (21923, 56819)]