217065745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{7607}}^1$

素因数の和:8064

約数の個数: 16

約数和(自身を含む): 281191680

約数和(自身を除く): 64125935

約数列:

[1, 5, 13, 65, 439, 2195, 5707, 7607, 28535, 38035, 98891, 494455, 3339473, 16697365, 43413149, 217065745]

約数ペア:

[(1, 217065745), (5, 43413149), (13, 16697365), (65, 3339473), (439, 494455), (2195, 98891), (5707, 38035), (7607, 28535)]