689356

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 1290240

約数和(自身を除く): 600884

約数列:

[1, 2, 4, 23, 46, 59, 92, 118, 127, 236, 254, 508, 1357, 2714, 2921, 5428, 5842, 7493, 11684, 14986, 29972, 172339, 344678, 689356]

約数ペア:

[(1, 689356), (2, 344678), (4, 172339), (23, 29972), (46, 14986), (59, 11684), (92, 7493), (118, 5842), (127, 5428), (236, 2921), (254, 2714), (508, 1357)]