1288391410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{261337}}^1$

素因数の和:261390

約数の個数: 32

約数和(自身を含む): 2540205360

約数和(自身を除く): 1251813950

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4930, 261337, 522674, 1306685, 2613370, 4442729, 7578773, 8885458, 15157546, 22213645, 37893865, 44427290, 75787730, 128839141, 257678282, 644195705, 1288391410]

約数ペア:

[(1, 1288391410), (2, 644195705), (5, 257678282), (10, 128839141), (17, 75787730), (29, 44427290), (34, 37893865), (58, 22213645), (85, 15157546), (145, 8885458), (170, 7578773), (290, 4442729), (493, 2613370), (986, 1306685), (2465, 522674), (4930, 261337)]