217419185

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 281957760

約数和(自身を除く): 64538575

約数列:

[1, 5, 19, 73, 95, 107, 293, 365, 535, 1387, 1465, 2033, 5567, 6935, 7811, 10165, 21389, 27835, 31351, 39055, 106945, 148409, 156755, 406391, 595669, 742045, 2031955, 2288623, 2978345, 11443115, 43483837, 217419185]

約数ペア:

[(1, 217419185), (5, 43483837), (19, 11443115), (73, 2978345), (95, 2288623), (107, 2031955), (293, 742045), (365, 595669), (535, 406391), (1387, 156755), (1465, 148409), (2033, 106945), (5567, 39055), (6935, 31351), (7811, 27835), (10165, 21389)]