257929915

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{1307}}^1\times {\mathrm{1361}}^1$

素因数の和:2702

約数の個数: 16

約数和(自身を含む): 320669280

約数和(自身を除く): 62739365

約数列:

[1, 5, 29, 145, 1307, 1361, 6535, 6805, 37903, 39469, 189515, 197345, 1778827, 8894135, 51585983, 257929915]

約数ペア:

[(1, 257929915), (5, 51585983), (29, 8894135), (145, 1778827), (1307, 197345), (1361, 189515), (6535, 39469), (6805, 37903)]