255160321

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 298303488

約数和(自身を除く): 43143167

約数列:

[1, 13, 23, 47, 67, 271, 299, 611, 871, 1081, 1541, 3149, 3523, 6233, 12737, 14053, 18157, 20033, 40937, 72427, 81029, 165581, 236041, 292951, 417611, 853379, 941551, 3808363, 5428943, 11093927, 19627717, 255160321]

約数ペア:

[(1, 255160321), (13, 19627717), (23, 11093927), (47, 5428943), (67, 3808363), (271, 941551), (299, 853379), (611, 417611), (871, 292951), (1081, 236041), (1541, 165581), (3149, 81029), (3523, 72427), (6233, 40937), (12737, 20033), (14053, 18157)]