72918181

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{1381}}^1$

素因数の和:1804

約数の個数: 16

約数和(自身を含む): 88005760

約数和(自身を除く): 15087579

約数列:

[1, 7, 19, 133, 397, 1381, 2779, 7543, 9667, 26239, 52801, 183673, 548257, 3837799, 10416883, 72918181]

約数ペア:

[(1, 72918181), (7, 10416883), (19, 3837799), (133, 548257), (397, 183673), (1381, 52801), (2779, 26239), (7543, 9667)]