257753345

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1\times {\mathrm{1489}}^1$

素因数の和:1972

約数の個数: 16

約数和(自身を含む): 313794000

約数和(自身を除く): 56040655

約数列:

[1, 5, 89, 389, 445, 1489, 1945, 7445, 34621, 132521, 173105, 579221, 662605, 2896105, 51550669, 257753345]

約数ペア:

[(1, 257753345), (5, 51550669), (89, 2896105), (389, 662605), (445, 579221), (1489, 173105), (1945, 132521), (7445, 34621)]