2251105

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 16

約数和(自身を含む): 2822400

約数和(自身を除く): 571295

約数列:

[1, 5, 41, 79, 139, 205, 395, 695, 3239, 5699, 10981, 16195, 28495, 54905, 450221, 2251105]

約数ペア:

[(1, 2251105), (5, 450221), (41, 54905), (79, 28495), (139, 16195), (205, 10981), (395, 5699), (695, 3239)]