217422605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2207}}^1$

素因数の和:2309

約数の個数: 32

約数和(自身を含む): 295695360

約数和(自身を除く): 78272755

約数列:

[1, 5, 17, 19, 61, 85, 95, 305, 323, 1037, 1159, 1615, 2207, 5185, 5795, 11035, 19703, 37519, 41933, 98515, 134627, 187595, 209665, 673135, 712861, 2288659, 2557913, 3564305, 11443295, 12789565, 43484521, 217422605]

約数ペア:

[(1, 217422605), (5, 43484521), (17, 12789565), (19, 11443295), (61, 3564305), (85, 2557913), (95, 2288659), (305, 712861), (323, 673135), (1037, 209665), (1159, 187595), (1615, 134627), (2207, 98515), (5185, 41933), (5795, 37519), (11035, 19703)]