257494467

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{21713}}^1$

素因数の和:21842

約数の個数: 16

約数和(自身を含む): 354372480

約数和(自身を除く): 96878013

約数列:

[1, 3, 59, 67, 177, 201, 3953, 11859, 21713, 65139, 1281067, 1454771, 3843201, 4364313, 85831489, 257494467]

約数ペア:

[(1, 257494467), (3, 85831489), (59, 4364313), (67, 3843201), (177, 1454771), (201, 1281067), (3953, 65139), (11859, 21713)]