78391988

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{643}}^1\times {\mathrm{1051}}^1$

素因数の和:1727

約数の個数: 24

約数和(自身を含む): 142272480

約数和(自身を除く): 63880492

約数列:

[1, 2, 4, 29, 58, 116, 643, 1051, 1286, 2102, 2572, 4204, 18647, 30479, 37294, 60958, 74588, 121916, 675793, 1351586, 2703172, 19597997, 39195994, 78391988]

約数ペア:

[(1, 78391988), (2, 39195994), (4, 19597997), (29, 2703172), (58, 1351586), (116, 675793), (643, 121916), (1051, 74588), (1286, 60958), (2102, 37294), (2572, 30479), (4204, 18647)]