640259834

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{2837}}^1\times {\mathrm{5939}}^1$

素因数の和:8797

約数の個数: 16

約数和(自身を含む): 1011463200

約数和(自身を除く): 371203366

約数列:

[1, 2, 19, 38, 2837, 5674, 5939, 11878, 53903, 107806, 112841, 225682, 16848943, 33697886, 320129917, 640259834]

約数ペア:

[(1, 640259834), (2, 320129917), (19, 33697886), (38, 16848943), (2837, 225682), (5674, 112841), (5939, 107806), (11878, 53903)]