171663460

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{8609}}^1$

素因数の和:9615

約数の個数: 24

約数和(自身を含む): 360896760

約数和(自身を除く): 189233300

約数列:

[1, 2, 4, 5, 10, 20, 997, 1994, 3988, 4985, 8609, 9970, 17218, 19940, 34436, 43045, 86090, 172180, 8583173, 17166346, 34332692, 42915865, 85831730, 171663460]

約数ペア:

[(1, 171663460), (2, 85831730), (4, 42915865), (5, 34332692), (10, 17166346), (20, 8583173), (997, 172180), (1994, 86090), (3988, 43045), (4985, 34436), (8609, 19940), (9970, 17218)]