25154339

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 32503680

約数和(自身を除く): 7349341

約数列:

[1, 7, 17, 29, 37, 119, 197, 203, 259, 493, 629, 1073, 1379, 3349, 3451, 4403, 5713, 7289, 7511, 18241, 23443, 39991, 51023, 97121, 123913, 127687, 211381, 679847, 867391, 1479667, 3593477, 25154339]

約数ペア:

[(1, 25154339), (7, 3593477), (17, 1479667), (29, 867391), (37, 679847), (119, 211381), (197, 127687), (203, 123913), (259, 97121), (493, 51023), (629, 39991), (1073, 23443), (1379, 18241), (3349, 7511), (3451, 7289), (4403, 5713)]