2189785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{571}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 2882880

約数和(自身を除く): 693095

約数列:

[1, 5, 13, 59, 65, 295, 571, 767, 2855, 3835, 7423, 33689, 37115, 168445, 437957, 2189785]

約数ペア:

[(1, 2189785), (5, 437957), (13, 168445), (59, 37115), (65, 33689), (295, 7423), (571, 3835), (767, 2855)]