70856656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{340657}}^1$

素因数の和:340678

約数の個数: 20

約数和(自身を含む): 147845572

約数和(自身を除く): 76988916

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 340657, 681314, 1362628, 2725256, 4428541, 5450512, 8857082, 17714164, 35428328, 70856656]

約数ペア:

[(1, 70856656), (2, 35428328), (4, 17714164), (8, 8857082), (13, 5450512), (16, 4428541), (26, 2725256), (52, 1362628), (104, 681314), (208, 340657)]