13291019

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{281}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 15837120

約数和(自身を除く): 2546101

約数列:

[1, 7, 29, 203, 233, 281, 1631, 1967, 6757, 8149, 47299, 57043, 65473, 458311, 1898717, 13291019]

約数ペア:

[(1, 13291019), (7, 1898717), (29, 458311), (203, 65473), (233, 57043), (281, 47299), (1631, 8149), (1967, 6757)]