25213265

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1523}}^1$

素因数の和:1589

約数の個数: 32

約数和(自身を含む): 38624256

約数和(自身を除く): 13410991

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 215, 301, 385, 473, 1505, 1523, 2365, 3311, 7615, 10661, 16555, 16753, 53305, 65489, 83765, 117271, 327445, 458423, 586355, 720379, 2292115, 3601895, 5042653, 25213265]

約数ペア:

[(1, 25213265), (5, 5042653), (7, 3601895), (11, 2292115), (35, 720379), (43, 586355), (55, 458423), (77, 327445), (215, 117271), (301, 83765), (385, 65489), (473, 53305), (1505, 16753), (1523, 16555), (2365, 10661), (3311, 7615)]