257574242

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{204749}}^1$

素因数の和:204805

約数の個数: 16

約数和(自身を含む): 420147000

約数和(自身を除く): 162572758

約数列:

[1, 2, 17, 34, 37, 74, 629, 1258, 204749, 409498, 3480733, 6961466, 7575713, 15151426, 128787121, 257574242]

約数ペア:

[(1, 257574242), (2, 128787121), (17, 15151426), (34, 7575713), (37, 6961466), (74, 3480733), (629, 409498), (1258, 204749)]