664935551

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{5381}}^1$

素因数の和:5654

約数の個数: 16

約数和(自身を含む): 771563520

約数和(自身を除く): 106627969

約数列:

[1, 7, 127, 139, 889, 973, 5381, 17653, 37667, 123571, 683387, 747959, 4783709, 5235713, 94990793, 664935551]

約数ペア:

[(1, 664935551), (7, 94990793), (127, 5235713), (139, 4783709), (889, 747959), (973, 683387), (5381, 123571), (17653, 37667)]