129709136

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{78707}}^1$

素因数の和:78818

約数の個数: 20

約数和(自身を含む): 253754592

約数和(自身を除く): 124045456

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 78707, 157414, 314828, 629656, 1259312, 8106821, 16213642, 32427284, 64854568, 129709136]

約数ペア:

[(1, 129709136), (2, 64854568), (4, 32427284), (8, 16213642), (16, 8106821), (103, 1259312), (206, 629656), (412, 314828), (824, 157414), (1648, 78707)]