664947997

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{39367}}^1$

素因数の和:39520

約数の個数: 16

約数和(自身を含む): 806256640

約数和(自身を除く): 141308643

約数列:

[1, 7, 19, 127, 133, 889, 2413, 16891, 39367, 275569, 747973, 4999609, 5235811, 34997263, 94992571, 664947997]

約数ペア:

[(1, 664947997), (7, 94992571), (19, 34997263), (127, 5235811), (133, 4999609), (889, 747973), (2413, 275569), (16891, 39367)]