2991569

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:380

約数の個数: 16

約数和(自身を含む): 3655680

約数和(自身を除く): 664111

約数列:

[1, 7, 19, 83, 133, 271, 581, 1577, 1897, 5149, 11039, 22493, 36043, 157451, 427367, 2991569]

約数ペア:

[(1, 2991569), (7, 427367), (19, 157451), (83, 36043), (133, 22493), (271, 11039), (581, 5149), (1577, 1897)]