289556974

素因数分解:

$2^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{27107}}^1$

素因数の和:27232

約数の個数: 24

約数和(自身を含む): 509901480

約数和(自身を除く): 220344506

約数列:

[1, 2, 7, 14, 49, 98, 109, 218, 763, 1526, 5341, 10682, 27107, 54214, 189749, 379498, 1328243, 2656486, 2954663, 5909326, 20682641, 41365282, 144778487, 289556974]

約数ペア:

[(1, 289556974), (2, 144778487), (7, 41365282), (14, 20682641), (49, 5909326), (98, 2954663), (109, 2656486), (218, 1328243), (763, 379498), (1526, 189749), (5341, 54214), (10682, 27107)]