661897585

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{709}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 866995200

約数和(自身を除く): 205097615

約数列:

[1, 5, 19, 31, 95, 155, 317, 589, 709, 1585, 2945, 3545, 6023, 9827, 13471, 21979, 30115, 49135, 67355, 109895, 186713, 224753, 417601, 933565, 1123765, 2088005, 4270307, 6967343, 21351535, 34836715, 132379517, 661897585]

約数ペア:

[(1, 661897585), (5, 132379517), (19, 34836715), (31, 21351535), (95, 6967343), (155, 4270307), (317, 2088005), (589, 1123765), (709, 933565), (1585, 417601), (2945, 224753), (3545, 186713), (6023, 109895), (9827, 67355), (13471, 49135), (21979, 30115)]