638640241

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{7741}}^1$

素因数の和:7992

約数の個数: 16

約数和(自身を含む): 709043328

約数和(自身を除く): 70403087

約数列:

[1, 17, 23, 211, 391, 3587, 4853, 7741, 82501, 131597, 178043, 1633351, 3026731, 27766967, 37567073, 638640241]

約数ペア:

[(1, 638640241), (17, 37567073), (23, 27766967), (211, 3026731), (391, 1633351), (3587, 178043), (4853, 131597), (7741, 82501)]