657157085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{4973}}^1$

素因数の和:5117

約数の個数: 32

約数和(自身を含む): 902482560

約数和(自身を除く): 245325475

約数列:

[1, 5, 13, 19, 65, 95, 107, 247, 535, 1235, 1391, 2033, 4973, 6955, 10165, 24865, 26429, 64649, 94487, 132145, 323245, 472435, 532111, 1228331, 2660555, 6141655, 6917443, 10110109, 34587215, 50550545, 131431417, 657157085]

約数ペア:

[(1, 657157085), (5, 131431417), (13, 50550545), (19, 34587215), (65, 10110109), (95, 6917443), (107, 6141655), (247, 2660555), (535, 1228331), (1235, 532111), (1391, 472435), (2033, 323245), (4973, 132145), (6955, 94487), (10165, 64649), (24865, 26429)]