16940238145

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1\times {\mathrm{2969}}^1$

素因数の和:3417

約数の個数: 32

約数和(自身を含む): 21226613760

約数和(自身を除く): 4286375615

約数列:

[1, 5, 31, 131, 155, 281, 655, 1405, 2969, 4061, 8711, 14845, 20305, 36811, 43555, 92039, 184055, 388939, 460195, 834289, 1141141, 1944695, 4171445, 5705705, 12057109, 25862959, 60285545, 109291859, 129314795, 546459295, 3388047629, 16940238145]

約数ペア:

[(1, 16940238145), (5, 3388047629), (31, 546459295), (131, 129314795), (155, 109291859), (281, 60285545), (655, 25862959), (1405, 12057109), (2969, 5705705), (4061, 4171445), (8711, 1944695), (14845, 1141141), (20305, 834289), (36811, 460195), (43555, 388939), (92039, 184055)]