663667778837

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{132972907}}^1$

素因数の和:132972968

約数の個数: 16

約数和(自身を含む): 816985546752

約数和(自身を除く): 153317767915

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 132972907, 930810349, 3058376861, 4122160117, 21408638027, 28855120819, 94809682691, 663667778837]

約数ペア:

[(1, 663667778837), (7, 94809682691), (23, 28855120819), (31, 21408638027), (161, 4122160117), (217, 3058376861), (713, 930810349), (4991, 132972907)]