28565567990

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{11115007}}^1$

素因数の和:11115271

約数の個数: 16

約数和(自身を含む): 51618097152

約数和(自身を除く): 23052529162

約数列:

[1, 2, 5, 10, 257, 514, 1285, 2570, 11115007, 22230014, 55575035, 111150070, 2856556799, 5713113598, 14282783995, 28565567990]

約数ペア:

[(1, 28565567990), (2, 14282783995), (5, 5713113598), (10, 2856556799), (257, 111150070), (514, 55575035), (1285, 22230014), (2570, 11115007)]