257551075

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{124121}}^1$

素因数の和:124214

約数の個数: 12

約数和(自身を含む): 323213688

約数和(自身を除く): 65662613

約数列:

[1, 5, 25, 83, 415, 2075, 124121, 620605, 3103025, 10302043, 51510215, 257551075]

約数ペア:

[(1, 257551075), (5, 51510215), (25, 10302043), (83, 3103025), (415, 620605), (2075, 124121)]