680636.0000000

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{28349}}^1$

素因数の和:28374

約数の個数: 20

約数和(自身を含む): 15819300

約数和(自身を除く): 8108372

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 28349, 56698, 113396, 226792, 453584, 481933, 963866, 1927732, 3855464, 7710928]

約数ペア:

[(1, 7710928), (2, 3855464), (4, 1927732), (8, 963866), (16, 481933), (17, 453584), (34, 226792), (68, 113396), (136, 56698), (272, 28349)]