66604985

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{1667}}^1$

素因数の和:1864

約数の個数: 16

約数和(自身を含む): 81905472

約数和(自身を除く): 15300487

約数列:

[1, 5, 61, 131, 305, 655, 1667, 7991, 8335, 39955, 101687, 218377, 508435, 1091885, 13320997, 66604985]

約数ペア:

[(1, 66604985), (5, 13320997), (61, 1091885), (131, 508435), (305, 218377), (655, 101687), (1667, 39955), (7991, 8335)]