208023628

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{161009}}^1$

素因数の和:161049

約数の個数: 24

約数和(自身を含む): 405745200

約数和(自身を除く): 197721572

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 161009, 322018, 644036, 2737153, 3059171, 5474306, 6118342, 10948612, 12236684, 52005907, 104011814, 208023628]

約数ペア:

[(1, 208023628), (2, 104011814), (4, 52005907), (17, 12236684), (19, 10948612), (34, 6118342), (38, 5474306), (68, 3059171), (76, 2737153), (323, 644036), (646, 322018), (1292, 161009)]