207654914

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{133283}}^1$

素因数の和:133345

約数の個数: 16

約数和(自身を含む): 335875680

約数和(自身を除く): 128220766

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 133283, 266566, 2532377, 5064754, 5464603, 10929206, 103827457, 207654914]

約数ペア:

[(1, 207654914), (2, 103827457), (19, 10929206), (38, 5464603), (41, 5064754), (82, 2532377), (779, 266566), (1558, 133283)]