215787815

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{2243}}^1$

素因数の和:2590

約数の個数: 16

約数和(自身を含む): 263678976

約数和(自身を除く): 47891161

約数列:

[1, 5, 71, 271, 355, 1355, 2243, 11215, 19241, 96205, 159253, 607853, 796265, 3039265, 43157563, 215787815]

約数ペア:

[(1, 215787815), (5, 43157563), (71, 3039265), (271, 796265), (355, 607853), (1355, 159253), (2243, 96205), (11215, 19241)]