2581267

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:222

約数の個数: 16

約数和(自身を含む): 2963520

約数和(自身を除く): 382253

約数列:

[1, 13, 23, 89, 97, 299, 1157, 1261, 2047, 2231, 8633, 26611, 29003, 112229, 198559, 2581267]

約数ペア:

[(1, 2581267), (13, 198559), (23, 112229), (89, 29003), (97, 26611), (299, 8633), (1157, 2231), (1261, 2047)]